Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 50,744	$ 106,933
Short-term investments	23,917	7,985
Accounts receivable, less allowance for doubtful receivables of $5,367 and $3,932, respectively	13,067	12,556
Inventories	58,116	54,682
Prepaid assets	14,877	17,281
Deferred income taxes	4,783	0
Other current assets	11,114	6,483
Disposal Group, Including Discontinued Operation, Assets, Current		34,208
Total current assets	176,618	240,128
Property, plant and equipment, at cost:
Less accumulated depreciation of $152,676 and $151,514, respectively	71,110	76,826
Other assets:
Investments	10,851	1,070
Goodwill	2,298	2,298
Other intangible assets, net of accumulated amortization of $15,345 and $15,186, respectively	6,621	6,780
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	5,801	4,369
Other assets	9,387	7,763
Disposal Group, Including Discontinued Operation, Assets, Noncurrent		27,607
Total other assets	34,958	49,887
Total assets	282,686	366,841
LIABILITIES AND STOCKHOLDERS' EQUITY
Current maturities of long-term debt	50,905	952
Accounts payable	22,594	27,327
Accrued expenses	39,167	40,931
Deferred Tax Liabilities, Net, Current	585	648
Income taxes payable	334	669
Other current liabilities	4,103	9,604
Disposal Group, Including Discontinued Operation, Liabilities, Current		23,966
Total current liabilities	117,688	104,097
Long-term debt, less current maturities	4,794	55,326
Other liabilities	11,871	13,922
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent		147,468
Stockholders' equity:
Common stock - authorized 50,000,000 shares of $0.02 par value; issued 26,629,750 shares and 26,574,031 shares, respectively	533	532
Additional contributed capital	169,793	168,732
Retained earnings	415,674	312,036
Accumulated other comprehensive income	13,964	16,362
Treasury stock, at cost, 10,571,419 shares and 10,557,342 shares, respectively	(452,166)	(452,040)
Total stockholders' equity	147,798	45,622
Noncontrolling interest	535	406
Total equity	148,333	46,028
Total liabilities and equity	$ 282,686	$ 366,841