Income Taxes (Schedule Of Reconciliation Of Unrecognized Tax Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 01, 2016	Jan. 02, 2015	Jan. 03, 2014
Income Tax Disclosure [Abstract]
Unrecognized tax Benefits, Beginning Balance	$ 51.4	$ 44.1	$ 32.2
Increase related to prior years' tax positions	6.0	0.8	1.8
Increase related to current year tax positions	6.2	7.5	12.0
Lapse of statute of limitations	(1.5)	(1.0)	(1.9)
Settlement with taxing authorities	(3.1)	0.0	0.0
Unrecognized tax Benefits, Ending Balance	$ 59.0	$ 51.4	$ 44.1

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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