Stock Appreciation Rights Activity (Detail) - Stock Appreciation Rights - $ / shares shares in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Balance at beginning of period	29	141	195
Number of shares, Rights exercised	(15)	(112)	(54)
Number of shares, Balance at end of period	14	29	141
Weighted average - grant date fair value	$ 8.67	$ 8.47	$ 7.20