Balance Sheet Components - Other Current Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses	$ 48,322	$ 29,501
Taxes receivable	33,979	17,071
Deferred tax assets, net	0	6,579
Other receivables	1,925	2,324
Derivative instruments	60,165	17,732
Other current assets	68,538	11,797
Other current assets, total	$ 212,929	$ 85,004