STOCK COMPENSATION PLANS (Details)			3 Months Ended
	May 03, 2017 $ / shares shares	May 04, 2016 $ / shares shares	Mar. 31, 2018 USD ($) Director $ / shares shares	Mar. 31, 2017 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of directors in committee | Director			3
Intrinsic value of awards			$ 149,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year
Class A Stock [Member] | 2015 Equity Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense | $			$ 47,000	$ 34,000
Unrecognized expense related to non-vested option shares | $			$ 0
Class A Stock [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period, option shares (in shares) | shares			176,802
Granted, option shares (in shares) | shares			0
Exercised (in shares) | shares			(6,750)
Expired, option shares (in shares) | shares			0
Outstanding at end of period, option shares (in shares) | shares			170,052
Exercisable/vested at end of period, option share (in shares) | shares			170,052
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding at beginning of period, weighted average exercise price (in dollars per shares)			$ 19.91
Granted, weighted average exercise price (in dollars per share)			0
Exercised, weighted average exercise price (in dollars per shares)			15.26
Expired, weighted average exercise price (in dollars per share)			0
Outstanding at end of period, weighted average exercise price (in dollars per shares)			20.09
Options exercisable at year end (in dollars per shares)			$ 20.09
Shares of Class A Non-Voting Common Stock under option [Abstract]
Outstanding at end of period, weighted average remaining life			4 years 18 days
Exercisable/vested at end of period, weighted average remaining life			4 years 18 days
Outstanding at beginning of period, aggregate intrinsic value | $			$ 3,298,000
Granted, aggregate intrinsic value | $			0
Exercised/ vested and released, aggregate intrinsic value | $			149,000
Expired/cancelled, aggregate intrinsic value | $			0
Outstanding at end of period, aggregate intrinsic value | $			2,787,000
Exercisable/vested at end of period, aggregate intrinsic value | $			$ 2,787,000
Class A Stock [Member] | Restricted Stock [Member]
Shares [Roll Forward]
Outstanding at beginning of year (in shares) | shares			5,000
Granted (in shares) | shares			0
Exercised/vested and released, restricted stock awards (in shares) | shares			0
Cancelled (in shares) | shares			0
Unvested Outstanding at end of year (in shares) | shares			5,000
Weighted Average Grant Date Fair Value [Abstract]
Outstanding at beginning of year (in dollars per shares)			$ 38.10
Granted, weighted average grant date fair value (in dollars per share)			0
Vested and released, weighted average grant date fair value (in dollars per shares)			0
Cancelled, weighted average grant date fair value (in dollars per share)			0
Unvested Outstanding at end of year (in dollars per shares)			$ 38.10
Class A Stock [Member] | Restricted Stock [Member] | 2015 Equity Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized expense related to non-vested option shares | $			$ 16,700
Period over which unvested options cost will recognized			10 months 24 days
Fair value per share (in dollars per share)	$ 38.10	$ 27.70
Shares [Roll Forward]
Granted (in shares) | shares	5,000	5,000