Supplemental Balance Sheet and Income Statement Information - Other Expense (Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Other expense (income)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets	$ 3,324	$ (1,750)	$ 5,752	$ 8,410
Litigation expenses and reserves	621	(2,400)	2,733	4,211
Foreign currency transaction losses (gains)	9,295	8,745	11,377	18,715
(Gain) loss on debt buyback	(14,170)		(65,848)
Other losses (gains)	505	410	(2,344)	(738)
Other, net	$ (425)	$ 5,005	$ (48,330)	$ 30,598