Long-Term Debt - Summary of Long-Term Debt (Parenthetical) (Detail)
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Dec. 31, 2014
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Dec. 31, 2013
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6.375% Senior Notes [Member] | ||
Debt Instrument [Line Items] | ||
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 |
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 |
Successor [Member] | 6.375% Senior Notes [Member] | ||
Debt Instrument [Line Items] | ||
Interest rate on Senior Notes |
6.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = hlm_SixPointThreeSevenFivePercentSeniorNotesMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Successor [Member] | 10.875% Senior Notes [Member] | ||
Debt Instrument [Line Items] | ||
Interest rate on Senior Notes |
10.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = hlm_TenPointEightSevenFivePercentageSeniorNotesMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Predecessor [Member] | 10.875% Senior Notes [Member] | ||
Debt Instrument [Line Items] | ||
Interest rate on Senior Notes |
10.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = hlm_TenPointEightSevenFivePercentageSeniorNotesMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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- Definition
Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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