Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 16,547	$ (15,136)
Other comprehensive income
Pension adjustments (net of $1,310 tax expense in 2023 and $0 tax expense in 2022)	3,669	7,556
Comprehensive income (loss)	$ 20,216	$ (7,580)