Financial Instruments and Derivative Instruments - Fair Value Measured on Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 27, 2021	Jun. 27, 2021	Dec. 31, 2020	Mar. 29, 2020
Significant Unobservable Inputs (Level 3)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net earnings adjustments	$ 0.8
Balance at the ending of the period	3.9	$ 3.9
Significant Unobservable Inputs (Level 3) | Minimum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Liability recorded at acquisition date fair value	0.0	0.0
Significant Unobservable Inputs (Level 3) | Maximum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Liability recorded at acquisition date fair value	4.5	4.5
Fair value measured on a recurring basis
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Liability recorded at acquisition date fair value	3.9	3.9	$ 3.2
Fair value measured on a recurring basis | Significant Unobservable Inputs (Level 3)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at the beginning of the period		3.2
Net earnings adjustments		0.8
Comprehensive income		(0.1)
Balance at the ending of the period	3.9	3.9
Liability recorded at acquisition date fair value	$ 3.9	$ 3.9	$ 3.2
AVG | Significant Unobservable Inputs (Level 3)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Liability recorded at acquisition date fair value				$ 2.8