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Other Current and Non-Current Liabilities
12 Months Ended
Dec. 31, 2020
Other Liabilities Disclosure [Abstract]  
Other Current and Non-Current Liabilities Other Current and Non-Current Liabilities
The following tables detail our other current liabilities and other non-current liabilities at December 31, 2020 and 2019: 
 December 31,
(In millions)20202019
Other current liabilities:  
Accrued salaries, wages and related costs$209.2 $191.5 
Accrued operating expenses192.1 197.2 
Accrued customer volume rebates83.3 78.3 
Accrued interest37.8 41.6 
Accrued employee benefit liability4.9 5.5 
Total$527.3 $514.1 
 December 31,
(In millions)20202019
Other non-current liabilities:  
Accrued employee benefit liability$201.0 $178.5 
Other postretirement liability38.3 38.2 
Uncertain tax position liability381.4 384.0 
Other various liabilities
107.6 129.5 
Total$728.3 $730.2