Other Current Liabilities - Schedule of Other Current Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Other Liabilities Disclosure [Abstract]
Accrued accounts payable	$ 21,805	$ 31,700
Accrued compensation liability	16,507	16,278
Accrued restructuring liability	5,586	9,859
Other current liabilities	20,973	19,854
Total other current liabilities	$ 64,871	$ 77,691