CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Additional Paid-in Capital [Member]	Total
Balance at Jan. 31, 2021	$ 299	$ (174,535)	$ 559,019	$ 52,400		$ 437,183
Balance (in Shares) at Jan. 31, 2021	29,853	11,877
Net income			52,364	8,838		61,202
Capital contributions				304		304
Treasury stock acquired		$ (6,627)				(6,627)
Treasury stock acquired (in Shares)		252
Noncontrolling interests distribution and other				(4,772)		(4,772)
Issuance of equity awards, stock based compensation expense		$ 48	224			272
Issuance of equity awards, stock based compensation expense (in Shares)		(37)
Balance at Jan. 31, 2022	$ 299	$ (181,114)	611,607	56,770		487,562
Balance (in Shares) at Jan. 31, 2022	29,853	12,092
Net income			27,697	10,240		37,937
Treasury stock acquired		$ (13,012)				(13,012)
Treasury stock acquired (in Shares)		472
Noncontrolling interests distribution and other				(3,998)		(3,998)
Issuance of equity awards, stock based compensation expense		$ 405	1,522		$ 578	2,505
Issuance of equity awards, stock based compensation expense (in Shares)		(101)
Balance at Jan. 31, 2023	$ 299	$ (193,721)	640,826	63,012	578	510,994
Balance (in Shares) at Jan. 31, 2023	29,853	12,463
Net income			60,935	14,989		75,924
Capital contributions				22		22
Noncontrolling interests distribution and other				(4,344)		(4,344)
Issuance of equity awards, stock based compensation expense		$ 1,810			3,191	5,001
Issuance of equity awards, stock based compensation expense (in Shares)		(113)
Balance at Jan. 31, 2024	$ 299	$ (191,911)	$ 701,761	$ 73,679	$ 3,769	$ 587,597
Balance (in Shares) at Jan. 31, 2024	29,853	12,350