CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 64,706	$ 71,934
Accounts receivable, less allowances (2017 - $1,406; 2016 - $1,429)	120,606	103,316
Inventories	80,685	66,146
Taxes receivable	6,724	3,883
Prepaid expenses	3,439	4,085
Other current assets	6,505	6,242
Total current assets	282,665	255,606
Property, plant and equipment, at cost	386,383	359,961
Accumulated depreciation	(220,995)	(199,166)
Net, property, plant and equipment	165,388	160,795
Goodwill	68,777	63,606
Other intangible assets, net	41,538	41,447
Other assets, net	7,136	5,575
Total assets	565,504	527,029
Current liabilities:
Current portion of long-term debt	257	634
Accounts payable	72,505	56,346
Accrued payroll and other compensation	16,862	14,016
Accrued taxes	4,088	6,460
Other accrued liabilities	12,249	12,988
Total current liabilities	105,961	90,444
Long-term debt	92,993	128,141
Deferred tax liabilities	16,918	15,849
Benefit plan liabilities	11,104	14,729
Other long-term liabilities	4,192	4,410
Commitments and Contingencies (Note 14)
Stockholders’ equity:
Preferred stock	0	0
Common stock	249	249
Capital in excess of par value	85,930	82,387
Retained earnings	360,935	325,466
Accumulated other comprehensive loss	(23,490)	(47,950)
Treasury stock, at cost	(89,288)	(86,696)
Total stockholders’ equity	334,336	273,456
Total liabilities and stockholders’ equity	$ 565,504	$ 527,029