Derivative Instruments - Schedule of Volume of Forward Interest Rate Swaps Designated in Hedge Relationship (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 04, 2015	Dec. 31, 2014
Derivatives And Hedging Activities [Line Items]
Notional balance of outstanding contracts	$ 3,339,000
Forward Interest Rate Swap Contracts [Member] \| Designated as Hedging Instrument [Member]
Derivatives And Hedging Activities [Line Items]
Notional balance of outstanding contracts	$ 3,339,000	$ 3,339,000

Nominal or face amount used to calculate payments on the derivative liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant