Subsequent Events - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended	9 Months Ended		3 Months Ended	0 Months Ended				0 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Jun. 28, 2014	Sep. 27, 2014	Sep. 28, 2013	Dec. 31, 2014 Scenario, Forecast [Member]	Oct. 27, 2014 Subsequent Event [Member]	Oct. 27, 2014 Subsequent Event [Member] Floor Rate [Member]	Oct. 15, 2014 Subsequent Event [Member] 7.25 % Senior Notes Due 2022[Member]	Oct. 15, 2014 Subsequent Event [Member] 7.25 % Senior Notes Due 2022[Member]	Oct. 27, 2014 Subsequent Event [Member] Enterprise Business [Member]	Oct. 27, 2014 Subsequent Event [Member] Enterprise Business [Member]	Oct. 27, 2014 Subsequent Event [Member] Term Loan [Member]	Oct. 27, 2014 Subsequent Event [Member] Revolving Credit Agreement [Member]
Subsequent Event [Line Items]
Private offering aggregate principal amount									$ 1,050,000,000
Interest rate on senior notes										7.25%
Term loan													2,200,000,000
Credit facility amount														250,000,000
Percentage of quarterly payments							0.25%
Interest rate description							The Term Loan accrues interest at a variable rate of LIBOR (subject to a floor of 0.75% per annum) plus a margin of 4.0%.
Interest rate variable							4.00%	0.75%
Preliminary purchase price											3,450,000,000
Acquisition agreement date											Apr. 14, 2014
Ownership percentage of acquisition												100.00%
Income tax expense benefit	(5,900,000)		5,900,000
Additional tax income tax expense	$ 9,861,000	$ 8,541,000		$ 25,240,000	$ 20,921,000	$ 2,600,000