Annual report pursuant to Section 13 and 15(d)

Leases - Additional Information (Detail)

v2.4.1.9
Leases - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2014
Jun. 29, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating Leased Assets [Line Items]          
Minimum lease period 1 year        
Successor [Member]          
Operating Leased Assets [Line Items]          
Rental expense for all operating leases   $ 6,511us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
     
Predecessor [Member]          
Operating Leased Assets [Line Items]          
Rental expense for all operating leases     $ 5,890us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
$ 11,788us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
$ 8,787us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember