STOCK-BASED COMPENSATION, (Stock Options and SARs) (Details) (Stock option and SARs [Member], USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2015
Stock option and SARs [Member]
Number of Outstanding Shares [Roll Forward]
Outstanding at February 1, 2014	1,062,851
Exercised (in shares)	(578,943)
Forfeited (in shares)	(65,383)
Outstanding at January 31, 2015	418,525
Vested or expected to vest at January 31, 2015	404,572
Exercisable at January 31, 2015	348,762
Weighted Average Exercise Price [Abstract]
Outstanding at February 1, 2014	$ 16.52
Exercised (in dollars per share)	$ 16.41
Forfeited (in dollars per share)	$ 17.68
Outstanding at January 31, 2015	$ 16.49
Vested or expected to vest at January 31, 2015	$ 16.41
Exercisable at January 31, 2015	$ 16.02
Weighted Average Remaining Contractual Term (years) [Abstract]
Outstanding at January 31, 2015	2 years 2 months 15 days
Vested or expected to vest at January 31, 2015	2 years 2 months 3 days
Exercisable at January 31, 2015	2 years 0 months 5 days
Aggregate Intrinsic Value [Abstract]
Outstanding at January 31, 2015	$ 1,468
Vested or expected to vest at January 31, 2015	1,452
Exercisable at January 31, 2015	$ 1,387