Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 471,540	$ 25,895
Accounts receivable, net	156,492	149,338
Contract with Customer, Asset, Net, Current	121,614	99,261
Capitalized Contract Cost, Net, Current	6,052	5,993
Inventories	156,353	131,569
Income tax refunds receivable	8,069	1,752
Disposal Group, Including Discontinued Operation, Assets, Current	0	351,261
Other current assets	16,368	8,036
Total current assets	936,488	773,105
Property, plant and equipment, net of accumulated depreciation of $210,549 and $192,285, respectively	140,450	137,112
Operating Lease, Right-of-Use Asset	15,159	0
Goodwill	195,314	196,161
Other intangible assets, net	53,439	58,567
Deferred Tax Assets, Net	35,240	38,000
Deferred Tax Assets, Net of Valuation Allowance	28,246	30,894
Deferred income taxes		38,040
Capitalized Contract Cost, Net, Noncurrent	6,099	10,666
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	0	229,238
Other assets	36,754	31,173
Total assets	1,418,943	1,474,062
Current liabilities:
Current portion of long-term debt, net of debt issuance costs	0	9,375
Accounts payable – trade	70,884	56,826
Accrued salaries and wages	43,220	32,795
Contract with Customer, Liability, Current	42,942	28,865
Operating Lease, Liability, Current	4,306	0
Income taxes payable	4,722	139
Disposal Group, Including Discontinued Operation, Liabilities, Current	0	131,047
Other current liabilities	37,918	39,429
Total current liabilities	203,992	298,476
Long-term debt, excluding current portion, net of debt issuance costs	181,622	284,256
Deferred income taxes	6,994	7,146
Underfunded pension	97,246	104,988
Contract with Customer, Liability, Noncurrent	37,855	78,562
Operating Lease, Liability, Noncurrent	11,617	0
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0	15,602
Other long-term liabilities	56,415	51,875
Commitments and contingencies (Note 19)
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; 30,058,455 and 29,544,714 shares issued, respectively	30,058	29,545
Additional paid-in capital	228,153	200,474
Retained earnings	820,666	610,103
Accumulated other comprehensive income (loss)	(150,893)	(134,898)
Less 2,219,332 and 1,672,917 shares of common stock, respectively, held in treasury, at cost	(104,782)	(72,067)
Total shareholders’ equity	823,202	633,157
Total liabilities and shareholders’ equity	$ 1,418,943	$ 1,474,062