Goodwill and Indefinite-Lived Intangibles (Changes in the Carrying Amount of Goodwill and Indefinite-Lived Intangibles) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 28, 2015	Mar. 22, 2014
Goodwill [Roll Forward]
Goodwill, Beginning balance	$ 438.8us-gaap_Goodwill	$ 445.3us-gaap_Goodwill
Goodwill, Translation Adjustments	(4.7)us-gaap_GoodwillTranslationAdjustments	(3.0)us-gaap_GoodwillTranslationAdjustments
Goodwill, Ending balance	434.1us-gaap_Goodwill	442.3us-gaap_Goodwill
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite-lived Intangibles, Beginning balance	690.5	690.5
Indefinite-lived Intangible Assets, Translation Adjustments	0	(0.3)
Indefinite-lived Intangibles, Ending balance	690.5	690.2
Goodwill and Indefinite-lived Intangible Assets [Roll Forward]
Goodwill and Indefinite-lived Intangibles, Beginning balance	1,129.3	1,135.8
Goodwill and Indefinite-lived Intangibles, Foreign currency translation effects	(4.7)	(3.3)
Goodwill and Indefinite-lived Intangibles, Ending balance	$ 1,124.6	$ 1,132.5

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 20

-Section 50

-Paragraph 1

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Goodwill and other indefinite lived intangibles.

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