XML 72 R62.htm IDEA: XBRL DOCUMENT v3.21.1
Commitments and Contingencies (Details)
$ in Millions
Mar. 31, 2021
USD ($)
Components of Environmental Loss Accrual [Abstract]  
Accrual For Environmental Loss Contingencies $ 13.0
Accrued Environmental Loss Contingencies Current 4.0
Federal Superfund and comparable state-managed sites 3.0
Formerly owned or operated sites 8.0
Owned or controlled sites at which Company operations have been discontinued 1.0
Environmental Remediation Obligation For Ongoing Operations 1.0
Maximum  
Loss Contingency, Estimate [Abstract]  
Loss contingency maximum possible loss $ 15.0