Long-Term Debt - Additional Information (Detail) (USD $)
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12 Months Ended | 0 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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Jun. 30, 2014
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Debt Instrument [Line Items] | |||
Interest underlying the Trust Preferred Securities | 11.60%hlm_TrustPreferredSecuritiesInterestRate | ||
Face amount Subordinated Debentures underlying Trust Preferred Securities | $ 105,443,000hlm_TrustPreferredSecurityAtFaceValue | ||
Aggregate amount of Subordinated Debentures underlying Trust Preferred Securities | 12,231,000hlm_InterestOnTrustPreferredSecuritiesAmount | ||
Deferral Period of distribution payments to holders of the Trust Preferred Securities | 60 months | ||
Deferrals of distribution payments to holders of Trust Preferred Securities | 0us-gaap_InterestExpenseTrustPreferredSecurities | 0us-gaap_InterestExpenseTrustPreferredSecurities | |
Trust Preferred Securities, redemption description | The Trust will redeem the preferred securities when the debentures are repaid, or at maturity on September 30, 2027. | ||
Maturity date of trust preferred securities | Sep. 30, 2027 | ||
Letter of credit commitments outstanding | 3,723,000us-gaap_LettersOfCreditOutstandingAmount | ||
Prior Credit Agreement [Member] | |||
Debt Instrument [Line Items] | |||
Senior Notes, maturity date | May 28, 2017 | ||
6.375% Senior Notes [Member] | |||
Debt Instrument [Line Items] | |||
Principal amount of Senior Notes |
330,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = hlm_SixPointThreeSevenFivePercentSeniorNotesMember |
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Interest rate on Senior Notes |
6.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = hlm_SixPointThreeSevenFivePercentSeniorNotesMember |
6.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = hlm_SixPointThreeSevenFivePercentSeniorNotesMember |
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Senior Notes, maturity date | Jul. 15, 2022 | ||
10.875% Senior Notes [Member] | |||
Debt Instrument [Line Items] | |||
Interest rate on Senior Notes |
10.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = hlm_TenPointEightSevenFivePercentageSeniorNotesMember |
10.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = hlm_TenPointEightSevenFivePercentageSeniorNotesMember |
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Senior Notes, maturity date | Jun. 01, 2018 | ||
10.875% Senior Notes [Member] | Prior Credit Agreement [Member] | |||
Debt Instrument [Line Items] | |||
Principal amount of Senior Notes |
265,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_InvestmentTypeAxis = hlm_OldCreditAgreementMember / us-gaap_LongtermDebtTypeAxis = hlm_TenPointEightSevenFivePercentageSeniorNotesMember |
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Interest rate on Senior Notes |
10.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_InvestmentTypeAxis = hlm_OldCreditAgreementMember / us-gaap_LongtermDebtTypeAxis = hlm_TenPointEightSevenFivePercentageSeniorNotesMember |
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Term Loan B [Member] | |||
Debt Instrument [Line Items] | |||
LIBOR interest rate in Term B Loans |
4.50%hlm_LiborInterestRate / us-gaap_LongtermDebtTypeAxis = hlm_TermBLoanMember |
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Senior Secured Credit Facility [Member] | |||
Debt Instrument [Line Items] | |||
Senior secured credit facility consisting of revolver and term loan |
620,000,000us-gaap_LongTermDebt / us-gaap_CreditFacilityAxis = hlm_SeniorSecuredCreditFacilityMember |
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Term Loan [Member] | |||
Debt Instrument [Line Items] | |||
Credit facility |
550,000,000us-gaap_LoansPayable / us-gaap_CreditFacilityAxis = hlm_TermLoanMember |
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Maturity term of loan | 7 years | ||
Debt instrument variable rate description | The Senior Facilities provide term loan borrowings at interest rates based on LIBOR plus a LIBOR Spread of 3.50%, or an Alternate Base Rate ("ABR") plus an ABR Spread of 2.50%. | ||
Adjusted interest rate |
4.50%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / us-gaap_CreditFacilityAxis = hlm_TermLoanMember |
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Term Loan [Member] | Prior Credit Agreement [Member] | |||
Debt Instrument [Line Items] | |||
Credit facility |
384,400,000us-gaap_LoansPayable / us-gaap_CreditFacilityAxis = hlm_TermLoanMember / us-gaap_InvestmentTypeAxis = hlm_OldCreditAgreementMember |
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Revolving Credit Facility [Member] | |||
Debt Instrument [Line Items] | |||
Credit facility |
70,000,000us-gaap_LineOfCredit / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember |
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Maturity term of loan | 5 years | ||
Debt instrument variable rate description | The Senior Facilities provide Revolver borrowings at interest rates based on LIBOR plus a LIBOR Spread of 3.25%, or an ABR plus an ABR Spread of 2.25%. There is no minimum floor rate for Revolver loans. | ||
Debt instrument maximum borrowing capacity |
35.00%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember |
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Letter of credit commitments outstanding |
66,277,000us-gaap_LettersOfCreditOutstandingAmount / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember |
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Revolving Credit Facility [Member] | Prior Credit Agreement [Member] | |||
Debt Instrument [Line Items] | |||
Credit facility |
30,000,000us-gaap_LineOfCredit / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_InvestmentTypeAxis = hlm_OldCreditAgreementMember |
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Letter of Credit [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument maximum borrowing capacity |
5.00%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum / us-gaap_CreditFacilityAxis = us-gaap_LetterOfCreditMember |
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Letter of credit commitments outstanding |
3,700,000us-gaap_LettersOfCreditOutstandingAmount / us-gaap_CreditFacilityAxis = us-gaap_LetterOfCreditMember |
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Secured Credit Facility [Member] | |||
Debt Instrument [Line Items] | |||
Credit facility |
547,857,000us-gaap_DebtAndCapitalLeaseObligations / us-gaap_CreditFacilityAxis = hlm_SecuredCreditFacilityMember |
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Credit facility |
607,000us-gaap_CapitalLeaseObligations / us-gaap_CreditFacilityAxis = hlm_SecuredCreditFacilityMember |
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Secured Credit Facility [Member] | Term Loan B [Member] | |||
Debt Instrument [Line Items] | |||
Credit facility |
$ 547,250,000us-gaap_LoansPayable / us-gaap_CreditFacilityAxis = hlm_SecuredCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = hlm_TermBLoanMember |
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London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument spread variable rate |
3.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = hlm_TermLoanMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
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London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] | Minimum [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument floor rate |
1.00%hlm_DebtInstrumentFloorRate / us-gaap_CreditFacilityAxis = hlm_TermLoanMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
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London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument spread variable rate |
3.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
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Adjusted interest rate |
3.25%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
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Alternate Base Rate [Member] | Term Loan [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument spread variable rate |
2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = hlm_TermLoanMember / us-gaap_VariableRateAxis = hlm_AlternateBaseRateMember |
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Alternate Base Rate [Member] | Term Loan [Member] | Minimum [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument floor rate |
2.00%hlm_DebtInstrumentFloorRate / us-gaap_CreditFacilityAxis = hlm_TermLoanMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = hlm_AlternateBaseRateMember |
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Alternate Base Rate [Member] | Revolving Credit Facility [Member] | |||
Debt Instrument [Line Items] | |||
Adjusted interest rate |
2.25%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = hlm_AlternateBaseRateMember |
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Base Rate [Member] | Revolving Credit Facility [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument spread variable rate |
2.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember |
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Debt Instrument Floor Rate No definition available.
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Interest On Trust Preferred Securities Amount No definition available.
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Libor Interest Rate No definition available.
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Preferred Securities Maturity Date No definition available.
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Trust Preferred Securities Deferring Interest Payments Maximum Interest Deferral Period No definition available.
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Trust Preferred Securities Interest Rate No definition available.
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Trust Preferred Security At Face Value No definition available.
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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. No definition available.
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Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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When presenting a range of interest rates, the highest effective rate for funds borrowed under the debt agreement as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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The amount of interest incurred to a trust which has issued trust-preferred securities. In order to issue trust preferred securities, a sponsor forms a trust by investing a nominal amount of cash to purchase all of the voting common stock of the trust. The trust issues nonvoting, mandatorily redeemable preferred securities to outside investors in exchange for cash. The proceeds received from the issuance of the preferred securities, together with the cash received for issuing the common stock to the sponsor, is then loaned to the sponsor in exchange for a note which has the same terms as the trust preferred securities. Trust preferred securities possesses characteristics of both equity and debt issues and are generally issued by bank holding companies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Description of the type or class of security that is classified as temporary equity, including its redemption features (for example, sinking fund, at option of holders, out of future earnings), conversion features, and the rights of holders, if any, in the event of default, including the effect, if any, on junior securities in the event a required dividend, sinking fund, or other redemption payment(s) is not paid. Include also a description of stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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