Other Information - Other Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Other current liabilities:
Accrued interest	$ 47.2	$ 35.7
Accrued wages and benefits, including taxes	33.1	22.5
Accrued ad valorem taxes	28.3	26.5
Capital expenditure accruals	23.2	10.6
Short-term lease liability	18.1	16.3
Installment payable	10.0	0.0
Inactive easement commitment	9.8	0.0
Operating expense accruals	9.6	8.4
Other	23.6	29.1
Other current liabilities	$ 202.9	$ 149.1