Financial Instruments − Fair Value and Concentrations of Credit Risk - Schedule of Fair Value of The Company's Financial Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contractual deposits with maturities in excess of one year	$ 167.7	$ 334.2
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contractual deposits with maturities in excess of one year	167.7	334.2
Contractual deposits with maturities in excess of one year	156.4	308.1
Level 2 | Convertible Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	310.0	310.0
Convertible notes	352.9	330.0
Line of Credit | Amended and Restated Credit Agreement Tranche A | Secured Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	868.4	892.8
Line of Credit | Amended and Restated Credit Agreement Tranche A | Level 2 | Secured Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	868.4	892.8
Line of Credit | Amended and Restated Credit Agreement Tranche B | Secured Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	1,409.5	1,416.8
Line of Credit | Amended and Restated Credit Agreement Tranche B | Level 2 | Secured Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	1,409.6	1,416.8
Revolving Credit Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	4.0	0.0
Revolving Credit Facility | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	$ 4.0	0.0
Term Loans, fair value		$ 0.0