Restructuring - Summary of Restructuring Activities (Details) $ in Millions	3 Months Ended
Apr. 03, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	$ 139.0
Charges	21.7
Utilization cash	(20.2)
Utilization, non-cash	(0.2)
Accrual as of end of period	140.3
Employee termination benefits
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	134.8
Charges	19.1
Utilization cash	(16.0)
Utilization, non-cash	0.0
Accrual as of end of period	137.9
Asset impairment charges
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	0.0
Charges	0.2
Utilization cash	0.0
Utilization, non-cash	(0.2)
Accrual as of end of period	0.0
Contract termination costs
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	4.2
Charges	(1.0)
Utilization cash	(0.8)
Utilization, non-cash	0.0
Accrual as of end of period	2.4
Other related costs
Restructuring Reserve [Roll Forward]
Accrual as of beginning of period	0.0
Charges	3.4
Utilization cash	(3.4)
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.

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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.

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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

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