Balance Sheet Details (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Condensed Financial Information Of Subsidiaries Disclosure [Abstract]
Prepaid expenses	$ 30,779	$ 29,566
Other current assets	10,040	7,993
Income tax receivable	15,147	23,293
Total	55,966	60,852
Accounts payable	9,937	9,119
Accrued expenses	46,279	53,298
Accrued contingent consideration	306	896
Accrued interest payable	2,585	9,304
Accrued taxes payable	17,309	12,191
Other current liabilities	13,429	14,686
Total	$ 89,845	$ 99,494