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Cash, Cash Equivalents and Restricted Cash (Tables)
3 Months Ended
Mar. 31, 2022
Cash, Cash Equivalents and Restricted Cash [Abstract]  
Schedule of Cash and Cash Equivalents
The following table summarizes the Company’s cash, cash equivalents and restricted cash as presented on the unaudited consolidated balance sheet to amounts on the unaudited consolidated statement of cash flows (in millions):
March 31, 2022December 31, 2021
Cash and cash equivalents$168.5 $193.8 
Deposits for financial assurance - current (a)0.20.2
Deposits for financial assurance - noncurrent12.22.8
Total cash, cash equivalents and restricted cash$180.9 $196.8 
Schedule of Restricted Cash and Cash Equivalents
The following table provides additional detail regarding the Company’s deposits for financial assurance (in millions):
March 31, 2022December 31, 2021
CurrentLong-TermCurrentLong-Term
Collateral for Inventory Loan$— $9.4 $— $— 
Workers Compensation— 2.6 — 2.6 
Other0.2 0.2 0.2 0.2 
Total deposits for financial assurance$0.2 $12.2 $0.2 $2.8