Consolidated Balance Sheets - USD ($) shares in Thousands, $ in Thousands	Jan. 31, 2021	Jan. 31, 2020
Current assets
Cash and cash equivalents	$ 32,938	$ 20,707
Accounts receivable, net	48,669	62,552
Inventories, net	52,703	53,899
Other current assets	5,776	5,436
Total current assets	140,086	142,594
Property, plant and equipment, net	106,007	100,850
Goodwill	107,677	106,509
Intangible assets, net	44,585	46,217
Other assets	11,016	7,087
TOTAL ASSETS	409,371	403,257
Current liabilities
Accounts payable	18,639	14,893
Accrued liabilities	30,401	20,743
Other current liabilities	2,998	2,287
Total current liabilities	52,038	37,923
Long-term debt	1,981	225
Other liabilities	23,997	29,161
Total liabilities	78,016	67,309
Commitments and contingencies (see Note 13)
Redeemable noncontrolling interest	0	21,302
Shareholders’ Equity
Common stock, $1.00 par value, authorized shares 100,000; issued 67,533 and 67,436 respectively	67,533	67,436
Additional paid in capital	66,670	61,508
Retained earnings	311,676	302,300
Accumulated other comprehensive loss	(3,341)	(5,415)
Less treasury stock at cost, 31,665 and 31,665 shares, respectively	(111,183)	(111,183)
Total shareholders’ equity	331,355	314,646
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 409,371	$ 403,257
Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract]
Common stock, par value (in usd per share)	$ 1.00	$ 1.00
Common stock, shares authorized	100,000	100,000
Common stock, shares issued	67,533	67,436
Treasury stock, shares	31,665	31,665