Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014	Jan. 03, 2015
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	27.40%	29.80%	41.50%	34.00%
Net discrete tax benefit	$ 1,945,000	$ 6,618,000	$ 9,580,000	$ 9,143,000
Net discrete tax benefit percentage points of effective tax rate	2.20%	6.40%	7.60%	4.10%
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 14,580,000		$ 14,580,000
Other Net Discrete Tax Benefits, Expiration of Statute of Limitations and Various Tax Jurisdictions			$ 5,000	$ 2,525
U.S. federal statutory rate	35.00%	35.00%	35.00%	35.00%
Gross unrecognized tax benefits	$ 24,107,000		$ 24,107,000		$ 30,372,000
Net increase (decrease) in gross unrecognized tax benefits			6,265,000
Interest and penalties on unrecognized tax benefits	$ 6,841,000		$ 6,841,000		$ 7,625,000