Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands		12 Months Ended
		Jan. 31, 2022	Jan. 31, 2021
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Balance of the period		$ 1,776	$ 4,054
Charges to costs and expenses		(820)	1,129
Charges to other accounts	[1]	0	(43)
Deductions describe	[2]	(450)	(3,364)
Balance of the period		506	1,776
Allowance for Obsolete Equipment and Inventory [Member]
Balance of the period		1,660	1,404
Charges to costs and expenses		921	321
Charges to other accounts	[1]	0	1
Deductions describe	[3]	(163)	(66)
Balance of the period		$ 2,418	$ 1,660

[1] Represents translation differences.

[2] Represents recoveries and uncollectible accounts written off.

[3] Represents sale or scrap of inventory and obsolete equipment.