Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Millions	6 Months Ended
Jul. 03, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 3,095.7
Purchase accounting adjustments	0.0
Impairments	(6.1)
Currency translation adjustments	(32.8)
Goodwill, Ending Balance	3,056.8
CSCA
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,905.0
Purchase accounting adjustments	2.4
Impairments	(6.1)
Currency translation adjustments	(0.1)
Goodwill, Ending Balance	1,901.2
Accumulated impairments	6.1	$ 0.0
CSCI
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,190.7
Purchase accounting adjustments	(2.4)
Impairments	0.0
Currency translation adjustments	(32.7)
Goodwill, Ending Balance	1,155.6
Accumulated impairments	$ 868.4	$ 868.4

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.

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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.

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

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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