CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 220,901	$ 191,785
Accounts receivable, less allowance for credit losses of $1,338 and $1,682	163,804	134,421
Contract assets	32,711	26,575
Inventories	118,216	102,360
Prepaid income taxes	2,527	2,960
Asbestos-related insurance receivables, current portion	2,986	2,986
Other current assets	13,420	13,088
Total current assets	554,565	474,175
Property, plant and equipment, net of accumulated depreciation of $367,244 and $365,844	294,190	272,378
Investments in unconsolidated joint ventures	15,415	15,248
Deferred income taxes	26,529	28,667
Goodwill	264,785	270,172
Other intangible assets, net of amortization	108,033	118,026
Pension assets	5,902	5,278
Asbestos-related insurance receivables, non-current portion	63,807	63,807
Other long-term assets	12,814	16,254
Total assets	1,346,040	1,264,005
Current liabilities
Accounts payable	54,818	35,987
Accrued employee benefits and compensation	46,925	41,708
Accrued income taxes payable	7,071	8,558
Asbestos-related liabilities, current portion	3,615	3,615
Other accrued liabilities	25,813	21,641
Total current liabilities	138,242	111,509
Borrowings under revolving credit facility	0	25,000
Pension and other postretirement benefits liabilities	1,682	1,612
Asbestos-related liabilities, non-current portion	69,393	69,620
Non-current income tax	18,024	16,346
Deferred income taxes	7,710	8,375
Other long-term liabilities	11,728	10,788
Commitments and contingencies
Shareholders’ equity
Capital stock - $1 par value; 50,000 authorized shares; 18,729 and 18,677 shares issued and outstanding	18,729	18,677
Additional paid-in capital	159,867	147,961
Retained earnings	958,694	873,692
Accumulated other comprehensive loss	(38,029)	(19,575)
Total shareholders' equity	1,099,261	1,020,755
Total liabilities and shareholders' equity	$ 1,346,040	$ 1,264,005