Derivative Financial Instruments - Foreign Exchange Rate Risk (Details) - Dec. 31, 2020 - Foreign Exchange Forward - Designated as Hedging Instrument € in Millions, ¥ in Millions, $ in Millions, $ in Millions	SGD ($)	USD ($)	EUR (€)	JPY (¥)
USD | Long
Derivative [Line Items]
Derivative, notional amount		$ 57.0
USD | Short
Derivative [Line Items]
Derivative, notional amount		0.0	€ 49.2
Yen | Long
Derivative [Line Items]
Derivative, notional amount | ¥				¥ 7,194.1
Yen | Short
Derivative [Line Items]
Derivative, notional amount		42.7	22.0
SGD | Long
Derivative [Line Items]
Derivative, notional amount	$ 42.9
SGD | Short
Derivative [Line Items]
Derivative, notional amount		$ 25.0	€ 5.0