Summary of Significant Accounting Policies Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Jan. 03, 2015
Significant Accounting Policies [Line Items]
Non-cash share-based compensation expense	$ 5,370	$ 4,758	$ 7,399	$ 6,696
Unrecognized tax benefits related to federal, state and foreign taxes					$ 12,500
Unrecognized tax benefits related to federal, state and foreign taxes of which would impact the effective tax rate if recognized					12,200
Unrecognized tax benefits, accrued interest					1,700
Unrecognized tax benefits, penalties					$ 3,000
Recognized Tax Expense	1,500
Amount of unrecognized tax benefits that may be recognized over the next twelve months	$ 600		600
Interest paid			6,900	7,800
Income tax payments			$ 36,200	$ 10,400
Restricted Stock [Member]
Significant Accounting Policies [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	100,704
Grant date fair value	$ 10,900