Long Term Debt and Capital Leases (Parenthetical) (Detail) - 4.375% Senior Notes	6 Months Ended	12 Months Ended
Jul. 18, 2015	Jan. 03, 2015
Debt Instrument [Line Items]
Notes bearing interest rate	4.375%	4.375%
Senior notes due year	2022	2022

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	na
Period Type:	instant