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Other Current Liabilities
12 Months Ended
Dec. 31, 2021
Other Liabilities Disclosure [Abstract]  
Other Current Liabilities Other Current Liabilities
    Other current liabilities are summarized as follows (in millions):
December 31, 2021December 31, 2020
Sales rebates$38.6 $28.0 
Commissions8.1 5.3 
Restructuring and other similar charges (1)2.4 0.5 
Product warranty (2)1.3 1.2 
Risk management (3)11.3 9.1 
Legal and environmental3.0 1.1 
Taxes, other than income taxes1.8 0.6 
Taxes payable on behalf of PMC21.9 — 
Income taxes payable2.1 2.4 
Interest payable— 1.3 
Current portion of operating lease liability (4)6.1 5.7 
Other9.8 5.3 
$106.4 $60.5 
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(1)See more information related to the restructuring obligations balance within Note 5, Restructuring and Other Similar Charges.
(2)See more information related to the product warranty obligations balance within Note 2, Significant Accounting Policies.
(3)Includes projected liabilities related to losses arising from automobile, general and product liability claims.
(4)See more information related to leases within Note 14, Leases.