Commitments and Contingencies Activity in Recorded Environmental Liabilities (Details) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2016
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of period	[1]	$ 31,436
Expenditures		(2,013)
Accretion of discount		596
Additions and revisions of estimates		1,055
Foreign currency translation adjustments and other		2,572
Balance at end of period	[1]	$ 31,436	$ 33,646
Less amounts reported in Accrued expenses			3,051
Amounts reported in Other noncurrent liabilities			$ 30,595

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