Restructuring - Summary of Restructuring Activities (Details) $ in Millions	9 Months Ended
Oct. 02, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	$ 139.0
Charges	78.0
Utilization cash	(76.1)
Utilization, non-cash	(13.2)
Accrual as of end of period	127.7
Employee termination benefits
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	134.8
Charges	60.1
Utilization cash	(65.6)
Utilization, non-cash	(5.1)
Accrual as of end of period	124.2
Asset impairment charges
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	0.0
Charges	8.1
Utilization cash	0.0
Utilization, non-cash	(8.1)
Accrual as of end of period	0.0
Contract termination costs
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	4.2
Charges	0.1
Utilization cash	(0.8)
Utilization, non-cash	0.0
Accrual as of end of period	3.5
Other related costs
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	0.0
Charges	9.7
Utilization cash	(9.7)
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
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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.

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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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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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