Accrued and Other Current Liabilities - Schedule of Accrued and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Payables And Accruals [Abstract]
Accrued expenses	$ 110,050	$ 27,485
Accrued compensation	64,988	50,414
Current portion of contingent consideration	42,912	41,978
Accrued warranty	22,993	8,607	$ 7,502
Accrued professional services fees	9,915	6,813
Accrued sales and use taxes	7,875	10,438
Current portion of capital lease obligation	8,208	3,430
Current portion of deferred gain on sale-leaseback transactions	3,243	3,243
Total	$ 270,184	$ 152,408