Condensed Consolidated Balance Sheet (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 189,741	$ 376,951
Short-term investments	76,587	20,275
Receivables, less allowance for doubtful accounts of $778 and $478	87,883	56,235
Inventories, net	257,049	269,719
Deferred income taxes	19,974	22,891
Other current assets	14,663	16,299
Total current assets	645,897	762,370
Property, plant, and equipment, net	268,056	260,576
Marketable securities	89,479	0
Goodwill	41,305	41,795
Other intangible assets, net	12,829	14,066
Deferred income taxes	23,611	21,699
Other noncurrent assets	5,228	6,348
Total assets	1,086,405	1,106,854
Current liabilities:
Accounts payable	53,960	47,226
Accrued wages and other employee costs	20,978	21,951
Unearned revenues	18,234	28,358
Other accrued liabilities	19,831	28,179
Total current liabilities	113,003	125,714
Long-term debt	184,695	178,107
Liability for post-retirement benefits	41,128	39,903
Liability for pension benefits	7,153	33,830
Deferred income taxes	5,441	3,147
Other noncurrent liabilities	8,538	7,753
Total liabilities	359,958	388,454
Commitments and Contingencies
Shareholders' equity:
Common stock, $0.01 par value; 50,000,000 shares authorized; 30,935,132 and 30,858,725 shares issued; 30,187,961 and 30,123,519 shares outstanding	309	309
Additional paid-in capital	478,025	474,277
Treasury stock, at cost; 747,171 and 735,206 shares	(17,646)	(17,363)
Accumulated other comprehensive loss	(34,292)	(32,337)
Retained earnings	300,051	293,514
Total shareholders' equity	726,447	718,400
Total liabilities and shareholders' equity	$ 1,086,405	$ 1,106,854