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Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2022
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of changes in asset retirement obligations The reconciliation of the changes in our AROs is presented below:
 Year ended December 31,
 20222021
Beginning balance, ARO liability$20.7 $19.8 
Additional ARO liability incurred3.8 4.9 
ARO liabilities settled(4.6)(6.1)
Accretion expense1.9 2.1 
Revisions in estimated cash flows(0.6)— 
Ending balance, ARO liability$21.2 $20.7