Transaction, Acquisition, and Integration Expenses - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended | 12 Months Ended | ||
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Dec. 31, 2014
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Jun. 29, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Successor [Member] | ||||
Business Combination, Separately Recognized Transactions [Line Items] | ||||
Transaction expenses relating to acquisition |
$ 22,719us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Successor [Member] | CCMP Capital Advisors, LLC [Member] | ||||
Business Combination, Separately Recognized Transactions [Line Items] | ||||
Transaction expenses relating to acquisition |
15,000us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_BusinessAcquisitionAxis = hlm_CapitalAdvisorsLlcMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Predecessor [Member] | ||||
Business Combination, Separately Recognized Transactions [Line Items] | ||||
Transaction expenses relating to acquisition |
31,681us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
8,638us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
3,031us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Predecessor [Member] | Paulin [Member] | ||||
Business Combination, Separately Recognized Transactions [Line Items] | ||||
Transaction expenses relating to acquisition |
8,638us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_BusinessAcquisitionAxis = hlm_PaulinMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Predecessor [Member] | Ook And Paulin [Member] | ||||
Business Combination, Separately Recognized Transactions [Line Items] | ||||
Transaction expenses relating to acquisition |
$ 3,031us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_BusinessAcquisitionAxis = hlm_OokAndPaulinMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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- Definition
This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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