Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Components of Other Intangibles, Net (Detail)

v2.4.1.9
Goodwill and Other Intangible Assets - Components of Other Intangibles, Net (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Successor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 818,036hlm_FiniteLivedAndIndefiniteLivedIntangibleAssetsGross
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Less: Accumulated amortization 19,095us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Other intangibles, net 798,941us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Predecessor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross   437,372hlm_FiniteLivedAndIndefiniteLivedIntangibleAssetsGross
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Less: Accumulated amortization   75,007us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Other intangibles, net   362,365us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 20 years 20 years
Customer Relationships [Member] | Successor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 693,852us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Customer Relationships [Member] | Predecessor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross   341,500us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Trademarks - All Others [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life Indefinite  
Trademarks - All Others [Member] | Successor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Indefinite Intangible assets, gross 86,513us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= hlm_TrademarksAllOthersMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Trademarks - All Others [Member] | Predecessor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Indefinite Intangible assets, gross   54,082us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= hlm_TrademarksAllOthersMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Trademarks - TagWorks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 5 years 5 years
Trademarks - TagWorks [Member] | Successor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 300us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= hlm_TrademarksTagWorksMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Trademarks - TagWorks [Member] | Predecessor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross   240us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= hlm_TrademarksTagWorksMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Patents [Member] | Minimum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 7 years 5 years
Patents [Member] | Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 12 years 20 years
Patents [Member] | Successor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 32,895us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Patents [Member] | Predecessor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross   20,250us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Quick Tag License [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life   6 years
Quick Tag License [Member] | Predecessor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross   11,500us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= hlm_QuickTagLicenseMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Laser Key License [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life   5 years
Laser Key License [Member] | Predecessor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross   1,250us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= hlm_LaserKeyLicenseMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
KeyWorks License [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 7 years 10 years
KeyWorks License [Member] | Successor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 4,476us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= hlm_KeyworksLicenseMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
KeyWorks License [Member] | Predecessor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross   4,100us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= hlm_KeyworksLicenseMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Non-compete Agreements [Member] | Minimum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life   5 years
Non-compete Agreements [Member] | Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life   10 years
Non-compete Agreements [Member] | Predecessor [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross   4,450us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember