Fair Value (Summary Of Changes In Fair Market Value Of Company's Level 3 Liabilities) (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 02, 2016	Jan. 03, 2015
Fair Value Disclosures [Abstract]
Beginning balance	$ 0.0	$ 9.7
Expense	0.0	0.0
Fair value adjustment	0.0	(1.1)
Payments	0.0	(8.6)
Ending balance	$ 0.0	$ 0.0

Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration