Supplemental Balance Sheet Information - Schedule of Accounts Payable and Accrued Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accounts payable and accrued operating expenses	$ 205,870	$ 240,981
Accrued compensation expense	115,120	192,467
Accrued rebates payable	63,542	57,163
Accrued royalties payable	20,687	30,797
Lease liabilities	11,387	10,700
Value added taxes payable	7,594	8,395
Forward foreign currency exchange contracts	7,435	10,448
Deferred revenue	5,350	13,037
Other	6,217	6,633
Total accounts payable and accrued liabilities	$ 443,202	$ 570,621	[1]

[1] December 31, 2019 balances were derived from the audited Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019, filed with the SEC on February 27, 2020.