Debt (Long-term Debt) (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Jan. 31, 2024	Jul. 31, 2023
Debt Instrument [Line Items]
Total debt	$ 4,261	$ 4,384	$ 46,517
Less current portion	253	248	32,256
Non-current portion	4,008	4,136	14,261
Revolving credit line
Debt Instrument [Line Items]
Total debt	0	0	42,012
Other
Debt Instrument [Line Items]
Total debt	$ 4,261	$ 4,384	$ 4,505