Supplemental Balance Sheet and Income Statement Information - Other Expense (Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other expense (income)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets	$ 11,789	$ 19,026	$ 14,830
Charges related to our CJES holdings (1)			12,879
Litigation expenses and reserves	9,939	1,273	3,936
Foreign currency transaction losses (gains)	4,156	1,603	5,669
Other losses (gains)	3,648	(7,022)	6,860
Other expense (income)	$ 29,532	$ 14,880	$ 44,174