Financial Instruments and Fair Value Measurements - Amount of Gains Recognized in Accumulated Other Comprehensive Income ("AOCI") Net of Reclassification into Earnings (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Cash Flow Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Interest Rate Swap	$ 2.2	$ 5.3