Deferred and Restricted Stock Activity (Detail) - Deferred and restricted stock - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Number of Shares
Number of Shares, Balance at beginning of period	126	151	177
Number of Shares, Granted	95	70	117
Number of Shares, Vested	(72)	(95)	(123)
Number of Shares, Forfeited			(20)
Number of shares, Balance at end of period	149	126	151
Number of shares, Vested and deferred at end of period	331	222	169
Weighted Average Fair Value
Weighted Average Fair Value, Balance at beginning of period	$ 21.89	$ 21.06	$ 18.92
Weighted Average Fair Value, Granted	19.30	21.59	20.24
Weighted Average Fair Value, Vested	21.59	20.28	17.81
Weighted Average Fair Value, Forfeited			18.93
Weighted Average Fair Value, Balance at end of period	$ 20.39	$ 21.89	$ 21.06