Summary of Significant Accounting Policies Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Dec. 28, 2013
Significant Accounting Policies [Line Items]
Non-cash share-based compensation expense	$ 4,938,000	$ 2,965,000	$ 11,635,000	$ 8,895,000
Unrecognized tax benefits related to federal, state and foreign taxes					12,700,000
Unrecognized tax benefits related to federal, state and foreign taxes of which would impact the effective tax rate if recognized					11,100,000
Unrecognized tax benefits, accrued interest					2,000,000
Unrecognized tax benefits, penalties					1,800,000
Recognized Tax Expense	1,600,000
Amount of unrecognized tax benefits that may be recognized over the next twelve months	400,000		400,000
Interest paid			11,100,000	10,800,000
Income tax payments			20,200,000	28,100,000
Restricted Stock [Member]
Significant Accounting Policies [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	360,807
Grant date fair value	$ 31,700,000