CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 75,407	$ 63,623
Accounts receivable, (net of allowance for doubtful receivables of $480 and $469, respectively)	52,301	47,486
Inventories	34,917	31,292
Taxes receivable	1,632	965
Prepaid expenses and other current assets	8,004	8,435
Total current assets	172,261	151,801
Property, plant and equipment, net	78,863	76,254
Goodwill	18,589	18,282
Other intangible assets	3,510	3,825
Deferred tax assets	574	474
Other assets, net	888	1,280
Total assets	274,685	251,916
Current liabilities:
Current portion of long-term debt	663	765
Accounts payable	29,768	29,441
Accrued payroll and other compensation	10,393	10,273
Accrued taxes	1,816	1,728
Other accrued liabilities	6,044	4,143
Total current liabilities	48,684	46,350
Long-term debt	1,051	1,646
Deferred tax liabilities	8,747	3,902
Benefit plan liabilities	14,097	25,080
Other long-term liabilities	2,019	442
Commitments and Contingencies (Note 12)
Stockholders' equity:
Preferred stock (par value $1.00 per share; authorized 500,000 shares; none issued or outstanding)	0	0
Common stock (par value $0.10 per share; authorized 30,000 shares; issued 24,098 and 23,785 shares, respectively)	2,410	2,379
Capital in excess of par value	62,284	58,784
Retained earnings	220,252	201,097
Accumulated other comprehensive loss	(8,844)	(18,366)
Treasury stock, 7,279 and 6,821 shares of common stock, respectively, at cost	(76,015)	(69,398)
Total stockholders' equity	200,087	174,496
Total liabilities and stockholders' equity	$ 274,685	$ 251,916