Deferred Compensation Plans - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 01, 2016	Jan. 02, 2015	Jan. 03, 2014
Deferred Compensation, Excluding Share-based Payments and Retirement Benefits
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Trading securities	$ 42,940,000	$ 43,848,000
Deferred compensation plan vested amounts due	46,740,000	45,394,000
Change in market value of trust assets	$ (325,000)	$ 2,525,000	$ 6,044,000
Maximum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Percentage of compensation deferred	100.00%