CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 77,117	$ 75,909
Accounts receivable, less allowances (2016 - $1,606; 2015 - $1,251)	110,286	82,149
Inventories	62,412	46,530
Taxes receivable	4,609	4,194
Prepaid expenses	3,581	3,009
Other current assets	4,640	7,512
Total current assets	262,645	219,303
Property, plant and equipment, at cost	352,000	302,618
Accumulated depreciation	(202,308)	(188,185)
Net, property, plant and equipment	149,692	114,433
Goodwill	44,800	16,841
Other intangible assets, net	27,063	5,399
Other assets, net	3,899	2,284
Total assets	488,099	358,260
Current liabilities:
Current portion of long-term debt	42	323
Accounts payable	57,878	42,470
Accrued payroll and other compensation	14,583	10,210
Accrued taxes	3,421	1,200
Other accrued liabilities	7,522	6,797
Total current liabilities	83,446	61,000
Long-term debt	95,125	20,156
Deferred tax liabilities	16,883
Deferred tax liabilities		14,997
Benefit plan liabilities	10,587	14,222
Other long-term liabilities	3,206	2,660
Commitments and Contingencies (Note 12)
Stockholders’ equity:
Preferred stock	0	0
Common stock	248	247
Capital in excess of par value	80,421	76,746
Retained earnings	321,046	288,358
Accumulated other comprehensive loss	(36,482)	(34,585)
Treasury stock, at cost	(86,381)	(85,541)
Total stockholders’ equity	278,852	245,225
Total liabilities and stockholders’ equity	$ 488,099	$ 358,260