Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010	Dec. 31, 2009
Operating Loss Carryforwards [Line Items]
Income tax credits	$ 3,700,000	[1]	$ 44,600,000	$ 24,000,000
Tax credit carryforward, expiration dates	2013 and 2032
Percentage of tax benefit of a qualifying position greater than largest amount of tax benefit	50.00%
Unrecognized tax benefits related to federal, state and foreign taxes	45,000,000		53,600,000	53,200,000
Unrecognized tax benefits that would impact effective tax rate	36,000,000
Accrued interest	5,000,000		11,400,000
Interest and penalties, expenses	1,600,000		700,000	2,600,000
Reduction in income tax provision	17,600,000		6,200,000
Decrease in unrecognized tax benefits	7,300,000
Number of months unrecognized tax benefits may decrease	12
Undistributed earnings on foreign operations for which income taxes have not been provided	1,400,000,000
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, net	206,500,000
State [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, net	296,500,000
Operating loss carryforwards, expiration dates	2012 and 2032
Foreign [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, net	41,800,000
Operating loss carryforwards, expiration dates	2012 and 2019
Indefinite Life [Member]
Operating Loss Carryforwards [Line Items]
Income tax credits	8,600,000
Definite Life [Member]
Operating Loss Carryforwards [Line Items]
Income tax credits	$ 7,900,000

[1] No tax benefit was recognized from the incentive tax grant in Puerto Rico due to the charge for Hernia Product Claims.