Goodwill and Indefinite-Lived Intangibles (Changes in the Carrying Amount of Goodwill and Indefinite-Lived Intangibles) (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 01, 2017	Mar. 26, 2016
Goodwill [Roll Forward]
Goodwill, Beginning balance	$ 424.3	$ 429.1
Foreign currency translation effects	0.8	1.1
Goodwill, Ending balance	425.1	430.2
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite-lived Intangibles, Beginning balance	678.5	685.4
Indefinite-lived Intangibles, Ending balance	678.5	685.4
Goodwill and Indefinite-lived Intangible Assets [Roll Forward]
Goodwill and Indefinite-lived Intangibles, Beginning balance	1,102.8	1,114.5
Goodwill and Indefinite-lived Intangibles, Foreign currency translation effects	0.8	1.1
Goodwill and Indefinite-lived Intangibles, Ending balance	$ 1,103.6	$ 1,115.6

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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- Definition

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
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Goodwill and other indefinite lived intangibles.

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Goodwill and other intangibles foreign currency translation effects.

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Goodwill and Indefinite-lived Intangible Assets [Roll Forward]

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