Fair Value of Financial Instruments (Details) - Senior Notes - Fair Value, Inputs, Level 2 - USD ($) $ in Millions	Dec. 29, 2019	Dec. 30, 2018
Senior Notes Due 2028 | Estimate of Fair Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of senior notes	$ 529.1	$ 0.0
Senior Notes Due 2028 | Reported Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of senior notes	493.6	0.0
Senior Notes Due 2026 | Estimate of Fair Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of senior notes	318.8	282.6
Senior Notes Due 2026 | Reported Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of senior notes	296.4	295.8
Senior Notes Due 2023 | Estimate of Fair Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of senior notes	0.0	484.9
Senior Notes Due 2023 | Reported Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of senior notes	$ 0.0	$ 499.5