Fair Value Measurements - Schedule of Fixed Rate Long-term Debt (Details) - USD ($) $ in Millions	Jun. 27, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Public bonds	$ 3,501.5	$ 2,751.4
Public Bonds | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Public bonds	3,497.5	2,618.4
Private placement note | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Private placement note	154.4	168.4
Reported Value Measurement | Public Bonds | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Public bonds	3,350.0	2,600.0
Reported Value Measurement | Private placement note | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Private placement note	$ 151.5	$ 151.4