Commitments and Contingencies Activity in Recorded Environmental Liabilities (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2016
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of period	[1]	$ 31,436
Expenditures		(1,194)
Accretion of discount		397
Revisions of estimates		(250)
Foreign currency translation adjustments and other		1,900
Balance at end of period	[1]	$ 31,436	$ 32,789
Less amounts reported in Accrued expenses			1,145
Amounts reported in Other noncurrent liabilities			$ 31,644

[1] As of June 30, 2016 and December 31, 2015, $3.9 million of environmental liabilities were classified as Assets held for sale in the condensed consolidated balance sheets. See Note 3, “Divestitures,” for additional information.