Business Combinations - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended	9 Months Ended
	Oct. 27, 2014	Sep. 30, 2015	Oct. 03, 2015	Oct. 03, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Decrease in assets				$ (14,000)
Decrease in liabilities				(6,400)
Increase in goodwill				7,600
Term Loan [Member]
Business Acquisition [Line Items]
Debt instrument, carrying amount			$ 2,070,000	2,070,000	$ 2,200,000
Enterprise Business [Member]
Business Acquisition [Line Items]
Preliminary purchase price	$ 3,450,000
Ownership percentage of the Enterprise Business	100.00%
Debt instrument, carrying amount					3,250,000
Business acquisition, consideration paid				3,450,000
Additional consideration paid				$ 50,900
Business acquisition goodwill amount	$ 2,335,000
Change in fair value, Other intangibles		$ (20,000)	(20,000)
Change in fair value, Property and equipment		(2,801)	(2,801)
Change in fair value, Deferred revenue		(400)	372
Change in fair value, Inventories		1,500	$ 1,515
Change in fair value, Goodwill		$ 21,700
Enterprise Business [Member] | Term Loan [Member]
Business Acquisition [Line Items]
Debt instrument, carrying amount					2,200,000
Senior notes, maturity year				2021
Enterprise Business [Member] | Senior Notes due 2022 [Member]
Business Acquisition [Line Items]
Debt instrument, carrying amount					$ 1,050,000
Senior notes, maturity year				2022
Senior notes, stated interest percentage			7.25%	7.25%