Fair Value Measurements - Summary of the Level 3 Activity - (Details) $ in Millions	3 Months Ended
	Mar. 27, 2020 USD ($)
Pension Obligation [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Beginning balance	$ 4.4
Fair value adjustments	0.5
Ending balance	4.9
Purchase Obligation [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Beginning balance	6.8
Fair value adjustments	0.2
Ending balance	7.0
Contingent Earn-out Liability [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Beginning balance	9.5
Fair value adjustments	2.8
Ending balance	$ 12.3