Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 330,419	$ 273,593
Short-term investments	19,995
Trade accounts and notes receivable, net	94,016	107,223
Inventories, net	99,144	93,937
Deferred tax assets, deferred tax charges and refundable income taxes	20,201	15,805
Assets held for sale	5,998	5,998
Other current assets	9,551	6,443
Total current assets	579,324	502,999
Property, plant and equipment, net	157,021	130,554
Other assets:
Intangible assets, net	47,207	56,453
Deferred tax assets and other noncurrent tax assets	17,167	25,119
Other	10,825	9,538
Total assets	811,544	724,663
Current liabilities:
Accounts payable	36,341	30,609
Accrued payroll and related benefits	29,376	30,887
Other accrued liabilities	21,887	16,954
Deferred tax liabilities and income taxes payable	5,659	14,144
Total current liabilities	93,263	92,594
Pension benefit obligations and other liabilities	17,066	19,868
Deferred tax liabilities and other noncurrent tax liabilities	6,416	3,963
Commitments and contingent liabilities
Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued and outstanding as of December 31, 2012 and 2011
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares: 138,457,769 and 135,820,588	1,385	1,358
Additional paid-in capital	809,514	788,673
Retained deficit	(157,038)	(225,766)
Accumulated other comprehensive income	40,938	43,973
Total equity	694,799	608,238
Total liabilities and equity	$ 811,544	$ 724,663