CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 62,539	$ 71,934
Accounts receivable, less allowances (2017 - $1,480; 2016 - $1,429)	111,662	103,316
Inventories	78,124	66,146
Taxes receivable	4,587	3,883
Prepaid expenses	4,311	4,085
Other current assets	6,254	6,242
Total current assets	267,477	255,606
Property, plant and equipment, at cost	365,618	359,961
Accumulated depreciation	(205,097)	(199,166)
Net, property, plant and equipment	160,521	160,795
Goodwill	64,219	63,606
Other intangible assets, net	40,681	41,447
Other assets, net	5,619	5,575
Total assets	538,517	527,029
Current liabilities:
Current portion of long-term debt	236	634
Accounts payable	65,816	56,346
Accrued payroll and other compensation	12,951	14,016
Accrued taxes	7,114	6,460
Other accrued liabilities	12,957	12,988
Total current liabilities	99,074	90,444
Long-term debt	118,098	128,141
Deferred tax liabilities	16,451	15,849
Benefit plan liabilities	13,526	14,729
Other long-term liabilities	4,559	4,410
Commitments and Contingencies (Note 12)
Stockholders’ equity:
Preferred stock	0	0
Common stock	249	249
Capital in excess of par value	83,667	82,387
Retained earnings	337,135	325,466
Accumulated other comprehensive loss	(45,049)	(47,950)
Treasury stock, at cost	(89,193)	(86,696)
Total stockholders’ equity	286,809	273,456
Total liabilities and stockholders’ equity	$ 538,517	$ 527,029