Supplemental Balance Sheet, Income Statement and Cash Flow Information - Other Expense (Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other expense (income)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets	$ 19,026	$ 14,830	$ (2,293)
Gain on Merger transaction			(96,719)
Charges related to our CJES holdings (1)		12,879	49,645
Litigation expenses and reserves	1,273	3,936	8,194
Foreign currency transaction losses (gains)	1,603	5,669	392
Other losses (gains)	(7,022)	6,860	1,609
Other expense (income)	$ 14,880	$ 44,174	$ (39,172)