Summary of Pre-Tax Loss On Derivative Instruments Designated As Cash Flow Hedges In Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jul. 01, 2016	Jul. 01, 2016	Dec. 31, 2015
Designated as Hedging Instrument \| Interest Rate Cap \| Cash Flow Hedge
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax loss on derivative instruments	$ (2,651)	$ (8,042)	$ 985

Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580

Name:	us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration