STOCKHOLDERS' EQUITY - Information about stock options - (Details) - USD ($) $ / shares in Units, $ in Thousands				12 Months Ended
	Mar. 04, 2016	Mar. 02, 2015	Mar. 17, 2014	Dec. 30, 2016	Jan. 01, 2016	Dec. 31, 2014
Options Outstanding
Shares				501
Wtd. Avg. Remaining Contractual Life				4 years 10 months 6 days
Wtd. Avg. Exercise Price (in dollars per share)				$ 27.69
Options Exercisable
Shares				352
Wtd. Avg. Remaining Contractual Life				3 years 5 months 23 days
Wtd. Avg. Exercise Price (in dollars per share)				$ 25.91
Assumptions used in determining the fair value option awards
Equivalent interest rate (as a percent)		2.07%	2.68%
Equivalent volatility (as a percent)		32.50%	40.00%
Dividend yield				0.00%
Dividend payouts				$ 0
Implied expected lives		6 years 10 months 10 days	8 years 3 months 26 days
Additional information
Unrecognized compensation cost				$ 5,596
Weighted-average recognition period				2 years 3 months 11 days
Range of exercise price per share from $0.00 to $20.01
Options Outstanding
Shares				93
Wtd. Avg. Remaining Contractual Life				8 months 16 days
Wtd. Avg. Exercise Price (in dollars per share)				$ 19.41
Options Exercisable
Shares				89
Wtd. Avg. Remaining Contractual Life				6 months 29 days
Wtd. Avg. Exercise Price (in dollars per share)				$ 19.41
Range of exercise price per share from $20.01 to $30.00
Options Outstanding
Shares				206
Wtd. Avg. Remaining Contractual Life				5 years 6 months 26 days
Wtd. Avg. Exercise Price (in dollars per share)				$ 22.97
Options Exercisable
Shares				159
Wtd. Avg. Remaining Contractual Life				5 years 22 days
Wtd. Avg. Exercise Price (in dollars per share)				$ 22.90
Range of exercise price per share over $30.00
Options Outstanding
Shares				202
Wtd. Avg. Remaining Contractual Life				6 years 15 days
Wtd. Avg. Exercise Price (in dollars per share)				$ 36.35
Options Exercisable
Shares				104
Wtd. Avg. Remaining Contractual Life				3 years 6 months 15 days
Wtd. Avg. Exercise Price (in dollars per share)				$ 36.13
Option awards
Exercisable Options And Related Information Abstract
Exercisable at end of year (in shares)				352	312	273
Weighted average price (in dollars per share)				$ 25.91	$ 25.49	$ 25.59
Weighted average fair value of options granted during the year (in dollars per share)				$ 18.80	$ 12.35	$ 11.61
Changes in unvested options, Shares
Balance at the beginning of the period (in shares)				155,000
Vested (in shares)				61,000
Granted (in shares)				56,000
Forfeited (in shares)				(1,000)
Balance at the end of the period (in shares)				149,000	155,000
Changes in unvested options, Wtd Avg Ex. Price
Balance at the beginning of the period (in dollars per share)				$ 28.20
Vested (in dollars per share)				26.25
Granted (in dollars per share)				36.03
Forfeited (in dollars per share)				(36.03)
Balance at the end of the period (in dollars per share)				$ 31.91	$ 28.20
Term of options				10 years
Assumptions used in determining the fair value option awards
Equivalent interest rate (as a percent)	1.68%
Equivalent volatility (as a percent)	49.00%
Implied expected lives	8 years 4 months 6 days
Additional information
Total fair value of option shares vested				$ 697	$ 487