Derivative Instruments and Hedging Activities - Summary of Fair Values of Derivative Instruments Recorded in Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Total derivatives	$ (3.6)	$ (4.1)
Interest rate caps | Derivatives Designated as Hedging Instruments | Accrued expenses
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative liabilities	(2.4)	(2.4)
Interest rate caps | Derivatives Designated as Hedging Instruments | Other long-term liabilities
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative liabilities	$ (1.2)	$ (1.7)