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Other Noncurrent Liabilities
 3 Months Ended
Mar. 31, 2022
Other Liabilities Disclosure [Abstract]  
Other Noncurrent Liabilities Other Noncurrent Liabilities
The components of other noncurrent liabilities as of March 31, 2022 and December 31, 2021 were:
March 31,
2022		December 31,
2021
Pension and retiree medical obligations$82.4 $82.2 
Transition tax payable14.1 14.1 
Deferred revenue30.8 32.2 
Lease liability96.6 93.4 
Other21.2 25.5 
Total other noncurrent liabilities$245.3 $247.4