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Goodwill and Indefinite-Lived Intangibles (Changes in the Carrying Amount of Goodwill and Indefinite-Lived Intangibles) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017
Goodwill [Roll Forward]
Goodwill, Beginning balance	$ 429.8	$ 424.3
Foreign currency translation effects	(2.3)	5.6
Goodwill, Ending balance	427.5	429.9
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite-lived Intangibles, Beginning balance	604.5	678.5
Indefinite-lived Intangible assets, sale of intangibles		(5.4)
Indefinite-lived Intangibles, Ending balance	604.5	673.1
Goodwill and Indefinite-lived Intangible Assets [Roll Forward]
Goodwill and Indefinite-lived Intangibles, Beginning balance	1,034.3	1,102.8
Goodwill and intangible assets, sale of intangibles		(5.4)
Goodwill and Indefinite-lived Intangibles, Foreign currency translation effects	(2.3)	5.6
Goodwill and Indefinite-lived Intangibles, Ending balance	$ 1,032.0	$ 1,103.0

X

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
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X

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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-Paragraph 2
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- Definition

Amount of divestiture of an asset lacking physical substance and having a projected indefinite period of benefit to fair value. Excludes financial assets and goodwill.

+ References

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