Income Taxes (Components Of Deferred Tax And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Income Tax Disclosure [Abstract]
Accrued expenses	$ 8,339		$ 9,271
Receivables and inventories	10,192		9,789
Deferred income	44,409		49,234
Net operating loss carryforwards	17,493		13,195
Capitalized R&D	35,019		54,047
Tax credit carryforwards	94,885		81,302
Postretirement obligations	46,094		45,989
Other items	5,956		13,238
Total current deferred tax assets	262,387		276,065
Valuation allowance	(232,306)		(28,993)
Net deferred tax assets	30,081		247,072
Fixed assets	0		(1,189)
Deferred Tax Liabilities, Other	(1,451)		0
Intangibles	(14,765)		(20,904)
Net deferred tax liabilities	16,216		22,093
Net deferred tax assets	13,865		224,979
Current deferred income tax assets	7,225		84,541
Long-term deferred income tax assets	8,514		141,064
Current deferred income tax liabilities	(62)	[1]	(90)	[1]
Long-term deferred income tax liabilities	$ (1,812)	[2]	$ (536)	[2]

[1] 1 Current deferred tax liabilities are included in accrued expenses on our consolidated balance sheets.2 Long-term deferred tax liabilities are included in other long-term liabilities on our consolidated balance sheets.

[2] Long-term deferred tax liabilities are included in other long-term liabilities on our consolidated balance sheets.