Debt and Credit Facilities - Senior Notes (Details) - USD ($) $ in Millions			3 Months Ended			6 Months Ended
	Jan. 31, 2023	Apr. 19, 2022	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Jan. 27, 2023
Debt Instrument [Line Items]
Loss on extinguishment of debt			$ 0.0		$ 10.5	$ 4.9	$ 11.2
Senior Notes due February 2028
Debt Instrument [Line Items]
Debt interest rate			6.125%			6.125%
Senior Notes due February 2028 | Senior Notes
Debt Instrument [Line Items]
Debt instrument aggregate principal	$ 775.0
Debt interest rate	6.125%
Debt issuance costs capitalized	$ 11.8
Redemption price, percentage	100.00%
Redemption price, percentage of principal amount redeemed (up to)	40.00%
Senior Notes due September 2023
Debt Instrument [Line Items]
Debt interest rate			4.50%			4.50%
Senior Notes due September 2023 | Senior Notes
Debt Instrument [Line Items]
Debt interest rate	4.50%
Loss on extinguishment of debt				$ (4.9)
Debt premium								$ 4.5
Accelerated amortization of non-lender fees				$ 0.4
Senior Notes due April 2029
Debt Instrument [Line Items]
Debt interest rate			5.00%			5.00%
Senior Notes due April 2029 | Senior Notes
Debt Instrument [Line Items]
Debt instrument aggregate principal		$ 425.0
Debt interest rate		5.00%
Debt issuance costs capitalized		$ 4.2
Senior Notes due April 2029 | Senior Notes | Redemption, period, one
Debt Instrument [Line Items]
Redemption price, percentage		100.00%
Senior Notes due April 2029 | Senior Notes | Redemption, period two
Debt Instrument [Line Items]
Redemption price, percentage of principal amount redeemed (up to)		40.00%
Senior Notes due April 2023 | Senior Notes
Debt Instrument [Line Items]
Debt interest rate		5.25%
Loss on extinguishment of debt					(10.5)
Debt premium		$ 9.6
Accelerated amortization of non-lender fees					$ 0.9
Debt repurchase amount		435.9
Repurchased principal amount		425.0
Accrued interest		$ 1.3