Supplemental Financial Information - Activity in Allowance For Doubtful Accounts (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jan. 01, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 23,777	$ 16,604
Credit losses	12,253	22,031
Foreign currency translation	(1,262)	596
Balance at end of period	19,401	$ 25,252
Other current assets, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0
Credit losses	1,595
Foreign currency translation	152
Balance at end of period	1,747
Other noncurrent assets, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0
Credit losses	13,378
Foreign currency translation	(606)
Balance at end of period	$ 12,772
Accounting Standards Update 2016-13
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other current assets and other non-current assets			$ 13,400