Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Activity in Recorded Environmental Liabilities

We had the following activity in our recorded environmental liabilities for the six months endedJune 30, 2018, as follows (in thousands):

Beginning balance at December 31, 2017	$	39,808
Expenditures	(3,219		)
Accretion of discount	449
Additions and changes in estimates	16,236
Foreign currency translation adjustments	(590		)
Ending balance at June 30, 2018	52,684
Less amounts reported in Accrued expenses	4,981
Amounts reported in Other noncurrent liabilities	$	47,703