Contingencies (Narrative) (Details) (USD $)			3 Months Ended		3 Months Ended			0 Months Ended		3 Months Ended			0 Months Ended				3 Months Ended			0 Months Ended		3 Months Ended		0 Months Ended	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Product Liability [Member]	Dec. 31, 2012 Product Liability [Member]	Mar. 31, 2013 Intellectual Property increase	Mar. 31, 2013 Lorazepam And Clorazepate	Jun. 01, 2005 Lorazepam And Clorazepate	May 30, 2012 Lorazepam And Clorazepate Surety Bond	Feb. 06, 2008 Lorazepam And Clorazepate Surety Bond	Mar. 31, 2013 Pricing And Medicaid Litigation	Dec. 31, 2012 Pricing And Medicaid Litigation	Jun. 01, 2005 Found In Violation of Antitrust Laws [Member] Lorazepam And Clorazepate drugs	Feb. 06, 2008 Judgment Issued Lorazepam And Clorazepate	Feb. 06, 2008 Judgment Reflects Trebling Of Compensatory Damages Lorazepam And Clorazepate plantiffs	Feb. 06, 2008 Original Verdict Lorazepam And Clorazepate	Feb. 06, 2008 Original Verdict Plus Punitive Damages Lorazepam And Clorazepate	Mar. 31, 2013 Other Award Sought Lorazepam And Clorazepate	Mar. 31, 2013 Self-funded Customers Voluntarily Dismissed Lorazepam And Clorazepate plantiffs	Mar. 31, 2013 Self-funded Customers Lorazepam And Clorazepate plantiffs	May 24, 2011 Plaintiff Bond Intellectual Property	Jun. 01, 2005 Health Insurers Lorazepam And Clorazepate insurers	Mar. 31, 2013 NEW YORK Counties Pricing And Medicaid Litigation	Mar. 31, 2013 Mylan Specialty Pricing And Medicaid Litigation Indemnification Agreement	Apr. 27, 2006 Other Drug Manufacturers Modafinil Antitrust Litigation and FTC Inquiry other_drug_manufacturers	Mar. 31, 2013 Other Companies EU Commission Proceedings Antitrust Proceedings other_companies
Loss Contingencies [Line Items]
Loss contingency accural			$ 22,600,000	$ 21,600,000			$ 12,000,000			$ 50,000,000	$ 50,000,000
Number of drugs												2
Number of plaintiffs														3				755	1,387		4	40
Damages awarded													69,000,000
Damages sought															11,000,000	58,000,000	8,000,000
Voluntary remittitur from plaintiffs						8,100,000
Bond								66,600,000	74,500,000											10,000,000
Loss contingency accrual, payments			900,000							0
Loss contingency accrual, provision										0
Other current liabilities	905,619,000	983,546,000																					66,400,000
Number of other drug manufactures named as defendants in the civil lawsuit																								4	4
Loss contingency accrual, carrying value, period increase (decrease)			$ 1,900,000
Number of times damages may be increased in cases of willful infringement					3