Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 34,283	$ 24,154
Accounts receivable, net	101,730	87,659
Contract assets	106,381	113,182
Inventories	192,785	172,383
Income tax refunds receivable	4,514	14,843
Other current assets	21,194	16,114
Total current assets	460,887	428,335
Property, plant and equipment, net of accumulated depreciation of $279,746 and $268,089, respectively	203,678	201,606
Operating Lease, Right-of-Use Asset	6,144	7,391
Goodwill	382,971	379,854
Other intangible assets, net	358,333	372,331
Deferred income taxes	45,595	47,385
Other assets	55,524	51,207
Total assets	1,513,132	1,488,109
Current liabilities:
Accounts payable – trade	49,881	48,277
Accrued salaries and wages	29,690	31,395
Contract liabilities, current portion	7,826	4,081
Operating Lease, Liability, Current	3,024	3,332
Income taxes payable	1,328	393
Other current liabilities	38,317	39,097
Total current liabilities	328,659	126,575
Long-Term Debt, Current Maturities	198,593	0
Long-term debt, excluding current portion, net of debt issuance costs	384,000	561,061
Deferred income taxes	6,804	6,079
Underfunded pension	50,645	52,309
Contract liabilities, noncurrent portion	19,624	20,515
Operating Lease, Liability, Noncurrent	3,463	4,534
Other Liabilities, Noncurrent	33,608	36,280
Commitments and contingencies (Note 14)
Shareholders' equity:
Preferred stock, $1 par value, 200,000 shares authorized; none outstanding	0	0
Common stock, $1 par value, 50,000,000 shares authorized; voting; 30,830,203 and 30,640,068 shares issued, respectively	30,830	30,640
Additional paid-in capital	250,152	245,436
Retained earnings	678,456	685,234
Accumulated other comprehensive income (loss)	$ (150,464)	$ (158,421)
Treasury Stock, Common, Shares	2,636,393	2,607,841
Less 2,636,393 and 2,607,841 shares of common stock, respectively, held in treasury, at cost	$ (122,645)	$ (122,133)
Total shareholders’ equity	686,329	680,756
Total liabilities and shareholders’ equity	$ 1,513,132	$ 1,488,109