Derivative Instruments and Hedging Activities (Details) € in Thousands, kr in Thousands, $ in Thousands, £ in Millions	Apr. 01, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2021 EUR (€)	Mar. 31, 2021 SEK (kr)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 EUR (€)	Dec. 31, 2020 SEK (kr)	Dec. 31, 2020 GBP (£)
Derivative Liability, Current		$ 335			$ 58,577
Interest Rate Swap [Member]
Derivative, Notional Amount		150,000			480,000
Cross Currency Interest Rate Contract [Member]
Derivative, Notional Amount | €			€ 0			€ 340,000
Forward Contracts
Derivative, Notional Amount	$ 720,000	315,000	€ 184,000	kr 0		€ 142,000	kr 227,000	£ 75
Fair Value, Recurring [Member] | Cross Currency Interest Rate Contract [Member]
Derivative Liability, Current		0			56,328
Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Derivative Liability, Current		335			899
Fair Value, Recurring [Member] | Forward Contracts
Derivative Liability, Current		$ 0			$ 1,350