Supplemental Financial Statement Information - Other Accrued Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Compensation and employee benefit liabilities	$ 120,907		$ 122,291
Deferred revenue	15,883		25,888
Product warranty accrual	16,021	$ 15,194	17,054	$ 19,523	$ 21,795	$ 24,838
Accrued interest	68,097		8,952
Restructuring reserve	17,233		5,657
Income taxes payable	31,044		35,302
Accrued value-added taxes	23,063		6,576
Accrued professional fees	20,312		7,147
Other	101,992		60,139
Other Accrued Liabilities	$ 414,552		$ 289,006