CONSOLIDATED CONDENSED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Total
Balance at Jan. 31, 2016	$ 299	$ (309,754)	$ 144,844	$ 475,874	$ 44,496	$ 355,759
Balance (in Shares) at Jan. 31, 2016	29,853	23,204
Net income				11,014	1,481	12,495
Treasury stock acquired		$ (4,353)				(4,353)
Treasury stock acquired (in Shares)		88
Stock based compensation expense		$ 258	877			1,135
Noncontrolling interests distribution and other					(2,096)	(2,096)
Balance at Jul. 31, 2016	$ 299	$ (313,849)	145,721	486,888	43,881	362,940
Balance (in Shares) at Jul. 31, 2016	29,853	23,292
Balance at Jan. 31, 2017	$ 299	$ (313,838)	145,767	508,207	47,839	388,274
Balance (in Shares) at Jan. 31, 2017	29,853	23,292
Net income				7,485	2,298	9,783
Issuance of equity awards and stock based compensation expense		$ 180	1,084			1,264
Issuance of equity awards and stock based compensation expense (in Shares)		(5)
Noncontrolling interests distribution and other					(1,725)	(1,725)
Balance at Jul. 31, 2017	$ 299	$ (313,658)	$ 146,851	$ 515,692	$ 48,412	$ 397,596
Balance (in Shares) at Jul. 31, 2017	29,853	23,287