Derivative Instruments and Hedging Activities (Textuals) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jul. 20, 2020	Mar. 31, 2020	Sep. 29, 2019
Derivative Instruments and Hedging Activities (Textuals)
Fair value of non-designated foreign exchange forward contracts	$ 0.3	$ (0.4)
Interest expense	292.7	202.9	$ 154.9
Notional Amount of Derivatives Early Terminated				$ 625.0
Payment for Termination of Interest Rate Derivative Instruments	6.2
Interest Rate Swap
Derivative Instruments and Hedging Activities (Textuals)
Notional amount of pay-fixed receive-variable interest rate swaps					$ 250.0	$ 500.0
Interest expense	$ 14.3	$ 3.4	$ 2.9