Contingencies (Minimum Self Insurance Payments) (Details) $ in Thousands	Jan. 31, 2024 USD ($)
Self Insurance, Future Estimated Payments Due
Estimated self insurance payments due in 2024	$ 120
Estimated self insurance payments due in 2025	170
Estimated self insurance payments due in 2026	170
Estimated self insurance payments due in 2027	170
Estimated self insurance payments due in 2028	170
Estimated self insurance payments due thereafter	0
Estimated self insurance payments, gross	800
Discount to net present value	(30)
Estimated self insurance payments, net	770
Less current portion	(120)
Non-current portion	$ 650