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Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 10,160	$ 7,875	$ 24,252	$ 12,471
Other comprehensive income:
Pension adjustments, net of tax effect	1,163	3,545	1,163	3,815
Net comprehensive income	$ 11,323	$ 11,420	$ 25,415	$ 16,286

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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