Supplemental Financial Information - Activity in Allowance For Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jan. 01, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	$ 23,777	$ 16,604
Credit Losses	(5,754)	4,177
Deductions	6,325	6,738
Foreign Currency Translation	(1,090)	(15)
Balance at End of Period	10,608	$ 14,028
Other current assets, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	0
Credit Losses	1,595
Deductions	0
Foreign Currency Translation	0
Balance at End of Period	1,595
Other noncurrent assets, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	0
Credit Losses	13,379
Deductions	0
Foreign Currency Translation	(358)
Balance at End of Period	$ 13,021
Accounting Standards Update 2016-13
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other current assets and other non-current assets			$ 13,400