Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 125,194	$ 108,203
Accounts receivable, net	58,545	50,763
Inventories, net	85,648	82,686
Prepaid and other	7,795	5,169
Total current assets	277,182	246,821
Property, plant and equipment, net	104,293	108,666
Other assets	6,193	4,795
Goodwill and other intangible assets, net	33,086	34,175
Total assets	420,754	394,457
Current liabilities:
Accounts payable	17,633	9,466
Payroll and employee related liabilities	11,754	10,825
Commissions payable	8,164	5,624
Deferred revenue and customer deposits	9,200	8,004
Accrued expenses	5,689	4,582
Total current liabilities	52,440	38,501
Pension benefits	9,342	9,232
Postretirement benefits	27,359	28,250
Other long-term liabilities	1,637	2,961
Total liabilities	90,778	78,944
Equity:
Common shares, without par value: Authorized – 35,000,000 shares; Outstanding – 26,103,661 shares at December 31, 2021 and 26,101,992 shares at December 31, 2020 (after deducting treasury shares of 945,135 and 946,804, respectively), at stated capital amounts	5,099	5,099
Additional paid-in capital	1,838	693
Retained earnings	353,369	340,098
Accumulated other comprehensive (loss)	(30,330)	(30,377)
Total equity	329,976	315,513
Total liabilities and equity	$ 420,754	$ 394,457