XML 118 R84.htm IDEA: XBRL DOCUMENT v3.22.0.1
Contingencies - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
site
Dec. 31, 2020
USD ($)
Commitments and Contingencies Disclosure [Abstract]    
Number of non-owned sites Company is named Potentially Responsible Party 13  
Number of non-owned sites the Company is identified as a de minimis party 12  
Number of non Owned sites company is identified as de minimis party, settlement amount known 8  
Number of non Owned sites company is identified as de minimis party, settlement amount unknown 4  
Total environmental reserves | $ $ 37.2 $ 32.4
Increase (decrease) in environmental reserves | $ 12.1  
Total expenses related to environmental matters | $ $ 7.3