Supplemental Balance Sheet and Income Statement Information - Other Expense (Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other expense (income)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets	$ 1,037	$ 6,527	$ 2,428	$ 10,160
Litigation expenses and reserves	1,412	(521)	2,112	6,611
Foreign currency transaction losses (gains)	2,727	1,398	2,082	9,970
(Gain) loss on debt buyback	(35,936)		(51,678)
Other losses (gains)	(35)	495	(2,849)	1,327
Other, net	$ (30,795)	$ 7,899	$ (47,905)	$ 28,068