Summary of Significant Accounting Policies Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Dec. 29, 2012
Significant Accounting Policies [Line Items]
Non-cash share-based compensation expense	$ 2,865,000	$ 3,200,000	$ 5,930,000	$ 5,877,000
Unrecognized tax benefits related to federal, state and foreign taxes					12,100,000
Unrecognized tax benefits related to federal, state and foreign taxes of which would impact the effective tax rate if recognized					10,400,000
Unrecognized tax benefits, accrued interest					1,600,000
Unrecognized tax benefits, penalties					1,600,000
Recognized Tax Expense	1,000,000
Amount of unrecognized tax benefits that may be recognized over the next twelve months	800,000		800,000
Interest paid			6,900,000	3,700,000
Income tax payments			$ 26,600,000	$ 15,300,000