SEGMENT INFORMATION AND OPERATING RESULTS (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)	Oct. 31, 2021 USD ($) segment	Oct. 31, 2020 USD ($)	Jan. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			3
SEGMENT INFORMATION AND OPERATING RESULTS
Revenue	$ 453,975	$ 360,872	$ 1,204,311	$ 974,545
Income (Loss) Before Income Taxes	28,823	13,824	58,133	25,265
Total Assets	855,219		855,219		$ 815,789
Shared Resources
SEGMENT INFORMATION AND OPERATING RESULTS
Income (Loss) Before Income Taxes	(619)	1,225	(793)	1,961
Total Assets	111,610		111,610		103,345
Operating Segments
SEGMENT INFORMATION AND OPERATING RESULTS
Income (Loss) Before Income Taxes	29,442	12,599	58,926	23,304
Total Assets	743,609		743,609		712,444
Operating Segments | Agricultural Segment [Member]
SEGMENT INFORMATION AND OPERATING RESULTS
Revenue	281,506	220,625	730,422	583,326
Income (Loss) Before Income Taxes	19,618	13,575	42,910	26,490
Total Assets	393,775		393,775		349,697
Operating Segments | Construction Segment [Member]
SEGMENT INFORMATION AND OPERATING RESULTS
Revenue	79,735	79,030	229,286	216,862
Income (Loss) Before Income Taxes	3,564	1,448	6,518	(50)
Total Assets	190,233		190,233		185,534
Operating Segments | International [Member]
SEGMENT INFORMATION AND OPERATING RESULTS
Revenue	92,734	61,217	244,603	174,357
Income (Loss) Before Income Taxes	6,260	$ (2,424)	9,498	$ (3,136)
Total Assets	$ 159,601		$ 159,601		$ 177,213