Financing and Other Debt - Schedule of Long Term Debt (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total long-term debt	$ 2,591.9	$ 2,619.6
Unamortized debt issuance costs/discounts	(10.3)	(10.3)
Less total unamortized debt issuance costs/discounts	(39.8)	(44.3)
Less current portion of long-term debt (net of 10.3 million in unamortized debt issuance costs/discounts)	(53.0)	(53.1)
Long-term debt, net	$ 2,499.1	$ 2,522.2
Minimum
Supplemental information under Amended and Restated Credit Agreement:
Commitment fee percentage	0.25%
Maximum
Supplemental information under Amended and Restated Credit Agreement:
Commitment fee percentage	0.50%
Amended and Restated Credit Agreement
Debt Instrument [Line Items]
Weighted average effective interest rate (as a percent)	7.30%	6.40%
Supplemental information under Amended and Restated Credit Agreement:
Commitment fee percentage	0.30%	0.30%
Convertible Senior Notes Due 2027
Debt Instrument [Line Items]
Convertible notes payable	$ 310.0	$ 310.0
Convertible Senior Notes Due 2027 | Convertible Debt
Debt Instrument [Line Items]
Interest rate, stated percentage	6.50%	6.50%
Line of Credit | Amended and Restated Credit Agreement Tranche A | Secured Debt
Debt Instrument [Line Items]
Carrying value	$ 868.4	$ 892.8
Line of Credit | Amended and Restated Credit Agreement Tranche B | Secured Debt
Debt Instrument [Line Items]
Carrying value	1,409.5	1,416.8
Line of Credit | Amended and Restated Credit Agreement
Debt Instrument [Line Items]
Carrying value	2,281.9	2,309.6
Revolving Credit Facility
Debt Instrument [Line Items]
Carrying value	4.0	0.0
Revolving Credit Facility | Amended and Restated Credit Agreement
Supplemental information under Amended and Restated Credit Agreement:
Remaining borrowing capacity on revolving credit facility	892.9	898.9
Revolving Credit Facility | Amended and Restated Credit Agreement | Letter of Credit
Supplemental information under Amended and Restated Credit Agreement:
Letters of credit	$ 33.1	$ 31.1
Credit Facility Term Loans | Amended and Restated Credit Agreement Tranche B | Base Rate
Debt Instrument [Line Items]
Margin on variable rate, percent	1.25%
Credit Facility Term Loans | Amended and Restated Credit Agreement Tranche B | Eurocurrency Rate
Debt Instrument [Line Items]
Margin on variable rate, percent	2.25%