Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Components of Property and Equipment, Net (Detail)

v2.4.1.9
Property and Equipment - Components of Property and Equipment, Net (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Successor [Member]    
Property, Plant and Equipment [Line Items]    
Land 1,069us-gaap_Land
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Buildings 2,184us-gaap_BuildingsAndImprovementsGross
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Leasehold improvements 4,384us-gaap_LeaseholdImprovementsGross
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Machinery and equipment 116,371us-gaap_MachineryAndEquipmentGross
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Furniture and fixtures 1,127us-gaap_FurnitureAndFixturesGross
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Construction in process 3,757us-gaap_ConstructionInProgressGross
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Property and equipment, gross 128,892us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Less: Accumulated depreciation 14,361us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Property and equipment, net 114,531us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Predecessor [Member]    
Property, Plant and Equipment [Line Items]    
Land   1,166us-gaap_Land
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Buildings   2,758us-gaap_BuildingsAndImprovementsGross
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Leasehold improvements   5,808us-gaap_LeaseholdImprovementsGross
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Machinery and equipment   143,002us-gaap_MachineryAndEquipmentGross
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Furniture and fixtures   1,102us-gaap_FurnitureAndFixturesGross
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Construction in process   3,352us-gaap_ConstructionInProgressGross
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Property and equipment, gross   157,188us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Less: Accumulated depreciation   61,370us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Property and equipment, net   $ 95,818us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Buildings [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment useful life 27 years  
Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment useful life 2 years  
Minimum [Member] | Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment useful life 3 years  
Minimum [Member] | Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment useful life 2 years  
Minimum [Member] | Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment useful life 3 years  
Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment useful life 27 years  
Maximum [Member] | Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment useful life 10 years  
Maximum [Member] | Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment useful life 10 years  
Maximum [Member] | Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment useful life 8 years