Supplemental Cash Flow Information - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]
Interest paid	$ 11.2	$ 11.7
Non-cash investing and financing activities (included in Accounts payable):
Unpaid purchases of property and equipment	12.6	2.0
Supplemental lease disclosures:
Operating lease liabilities arising from obtaining operating lease assets	1.1	13.6
Cash paid for amounts included in the measurement of operating lease liabilities	2.4	1.3
Finance lease liabilities arising from obtaining finance lease assets	0.2	1.8
Components of cash, cash equivalents and restricted cash:
Cash and cash equivalents	261.0	128.0	$ 303.2
Restricted cash included in Other assets	14.2	13.8
Total cash, cash equivalents and restricted cash presented on our Statements of Consolidated Cash Flows	$ 275.2	$ 141.8	$ 317.0	$ 794.3