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PROPERTY AND EQUIPMENT Depreciation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
PROPERTY AND EQUIPMENT
Cost, Depreciation	$ 2,600	$ 3,100	$ 6,400	$ 7,800
Depreciation, Nonproduction	$ 2,900		8,900	8,500
Impairment			1,498	2,771
Agricultural Segment [Member]
PROPERTY AND EQUIPMENT
Impairment			$ 400
Construction Segment [Member]
PROPERTY AND EQUIPMENT
Impairment				$ 500