Commitments and Contingencies - Activity in Recorded Environmental Liabilities (Details) $ in Thousands	9 Months Ended
Sep. 30, 2021 USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of period	$ 45,771
Expenditures	(1,529)
Accretion of discount	723
Foreign currency translation adjustments and other	(814)
Balance at end of period	45,727
Less amounts reported in Accrued expenses	9,850
Amounts reported in Other noncurrent liabilities	$ 35,877

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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