Equity-Based Compensation (Summary Of Weighted-Average Fair Value Compensation Cost Per Share Of Awards Granted) (Details) - $ / shares	12 Months Ended
Jan. 01, 2016	Jan. 02, 2015	Jan. 03, 2014
Equity-Based Compensation [Abstract]
Weighted-average fair value compensation cost per share of Options	$ 1.88	$ 2.18	$ 1.67
Weighted-average fair value compensation cost per share of Awards	$ 14.20	$ 13.12	$ 8.58

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration