CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Income Statement [Abstract]
Total Revenue	$ 453,975	$ 360,872	$ 1,204,311	$ 974,545
Total Cost of Revenue	361,495	288,321	965,836	780,895
Gross Profit	92,480	72,551	238,475	193,650
Operating Expenses	62,943	54,115	176,460	160,252
Goodwill, Impairment Loss	0	1,453	0	1,453
Other Asset Impairment Charges	0	1,102	1,498	1,318
Income from Operations	29,537	15,881	60,517	30,627
Other Income (Expense)
Interest and other income (expense)	616	(360)	1,935	333
Floorplan interest expense	(259)	(757)	(1,027)	(2,811)
Other interest expense	(1,071)	(940)	(3,292)	(2,884)
Provision for Income Taxes	7,007	3,912	14,521	6,691
Net Income	$ 21,816	$ 9,912	$ 43,612	$ 18,574
Earnings per Share:
Earnings (Loss) per Share - Basic, in dollars per share	$ 0.97	$ 0.44	$ 1.93	$ 0.83
Earnings (Loss) per Share - Diluted, in dollars per share	$ 0.97	$ 0.44	$ 1.93	$ 0.83
Weighted Average Number of Shares Outstanding, Basic	22,213	22,132	22,228	22,089
Weighted Average Number of Shares Outstanding, Diluted	22,222	22,137	22,238	22,091
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ 28,823	$ 13,824	$ 58,133	$ 25,265
Equipment
Revenue	329,814	240,901	878,528	662,060
Cost of Revenue	288,576	215,770	772,584	593,048
Parts
Revenue	80,521	76,778	208,464	194,846
Cost of Revenue	55,654	53,556	146,184	136,205
Service
Revenue	32,026	30,696	89,405	84,282
Cost of Revenue	10,249	10,254	29,314	28,263
Rental and Other
Revenue	11,614	12,497	27,914	33,357
Cost of Revenue	$ 7,016	$ 8,741	$ 17,754	$ 23,379