Supplemental Balance Sheet, Income Statement and Cash Flow Information - Other Expense (Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other expense (income)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets	$ 12,363	$ 7,141	$ 11,789
Litigation expenses and reserves	4,249	5,226	9,939
Foreign currency transaction losses (gains)	12,125	20,929	4,156
Other losses (gains)	(170)	(72)	3,648
Other, net	$ 28,567	$ 33,224	$ 29,532