CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 162,074	$ 167,738
Accounts receivable, less allowance for doubtful accounts of $1,184 and $1,354	160,696	144,623
Contract assets	27,315	22,728
Inventories	133,242	132,637
Prepaid income taxes	3,190	3,093
Asbestos-related insurance receivables, current portion	4,138	4,138
Other current assets	13,255	10,829
Total current assets	503,910	485,786
Property, plant and equipment, net of accumulated depreciation of $323,623 and $317,414	244,911	242,759
Investments in unconsolidated joint ventures	15,799	18,667
Deferred income taxes	11,316	8,236
Goodwill	263,251	264,885
Other intangible assets, net of amortization	172,234	177,008
Pension assets	19,596	19,273
Asbestos-related insurance receivables, non-current portion	59,685	59,685
Other long-term assets	8,692	3,045
Total assets	1,299,394	1,279,344
Current liabilities
Accounts payable	43,481	40,321
Accrued employee benefits and compensation	26,984	30,491
Accrued income taxes payable	8,720	7,032
Asbestos-related liabilities, current portion	5,547	5,547
Other accrued liabilities	23,633	23,789
Total current liabilities	108,365	107,180
Borrowings under revolving credit facility	223,482	228,482
Pension and other postretirement benefits liabilities	1,739	1,739
Asbestos-related liabilities, non-current portion	64,672	64,799
Non-current income tax	7,712	8,418
Deferred income taxes	11,151	10,806
Other long-term liabilities	13,951	9,596
Commitments and contingencies (Note 13)
Shareholders’ equity
Capital stock - $1 par value; 50,000 authorized shares; 18,546 and 18,395 shares issued and outstanding	18,546	18,395
Additional paid-in capital	128,417	132,360
Retained earnings	804,782	776,403
Accumulated other comprehensive loss	(83,423)	(78,834)
Total shareholders' equity	868,322	848,324
Total liabilities and shareholders' equity	$ 1,299,394	$ 1,279,344