Schedule of Fair Value of Notes (Detail) - USD ($) $ in Thousands	Oct. 08, 2016	Jan. 02, 2016
3.5% Senior Notes Due 2026
Fair Value Disclosures [Line Items]
Carrying Value	$ 394,009
3.5% Senior Notes Due 2026 \| Level 2 Inputs
Fair Value Disclosures [Line Items]
Carrying Value	394,009
Fair Value	398,056
4.375% Senior Notes Due 2022
Fair Value Disclosures [Line Items]
Carrying Value	397,346	$ 396,975
4.375% Senior Notes Due 2022 \| Level 2 Inputs
Fair Value Disclosures [Line Items]
Carrying Value	397,346
Fair Value	$ 430,088

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_SeniorLongTermNotes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant