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Other Assets, Accrued Liabilities and Other Liabilities (Tables)
 12 Months Ended
Dec. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Current Assets
Other current assets consisted of the following (in millions):

December 31,
20242023
Prepaid assets
$10.9 $11.2 
Assets held-for-sale
7.0 3.1 
Income tax receivable
0.6 2.1 
Restricted cash - current
— 0.9 
Other
2.5 0.4 
Total other current assets
$21.0 $17.7 
Schedule of Other Assets
Other assets, which are reflected within non-current assets in the Consolidated Balance Sheets, consisted of the following (in millions):

December 31,
20242023
Right-of-use assets$53.7 $58.0 
Restricted cash - non-current0.5 0.6 
Other8.1 2.7 
Total other assets$62.3 $61.3 
Schedule of Accrued Liabilities
Accrued liabilities consisted of the following (in millions):
December 31,
 20242023
Accrued expenses$13.4 $14.3 
Accrued payroll and employee benefits34.1 29.2 
Accrued interest and exit fees (current portion)
61.0 17.1 
Accrued sales and use taxes
0.4 9.8 
Accrued income taxes
0.8 0.4 
Total accrued liabilities$109.7 $70.8 
Schedule of Other Current Liabilities
Other current liabilities consisted of the following (in millions):

December 31,
 20242023
Operating lease liability, current portion
$12.9 $13.5 
Other4.3 2.6 
Total other current liabilities$17.2 $16.1 
Schedule of Other Liabilities
Other liabilities, which are reflected within non-current liabilities in the Consolidated Balance Sheets, consisted of the following (in millions):

December 31,
20242023
Operating lease liability, net of current portion
$43.5 $48.6 
Accrued interest and exit fees (non-current portion)
0.7 30.8 
Other
2.6 3.3 
Total other liabilities$46.8 $82.7 
Schedule of Asset Retirement Obligations
The changes in the carrying amounts of the Company's Asset Retirement Obligations ("ARO") included in Other liabilities above are as follows (in millions):

December 31,
20242023
Carrying value, beginning of year$1.9 $1.7 
Accretion expense0.2 0.2 
Revisions in estimated cash flows(0.2)— 
Carrying value, end of year
$1.9 $1.9