Restructuring - Summary of Restructuring Activities (Details) $ in Millions	6 Months Ended
Jul. 03, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	$ 139.0
Charges	32.6
Utilization cash	(52.4)
Utilization, non-cash	(0.4)
Accrual as of end of period	118.8
Employee termination benefits
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	134.8
Charges	26.3
Utilization cash	(44.6)
Utilization, non-cash	0.0
Accrual as of end of period	116.5
Asset impairment charges
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	0.0
Charges	0.4
Utilization cash	0.0
Utilization, non-cash	(0.4)
Accrual as of end of period	0.0
Contract termination costs
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	4.2
Charges	(0.8)
Utilization cash	(1.1)
Utilization, non-cash	0.0
Accrual as of end of period	2.3
Other related costs
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	0.0
Charges	6.7
Utilization cash	(6.7)
Utilization, non-cash	0.0
Accrual as of end of period	$ 0.0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 1
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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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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

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