Contingencies (Lorazepam and Clorazepate) (Narrative) (Details) (Lorazepam And Clorazepate, USD $) In Millions, unless otherwise specified	0 Months Ended			0 Months Ended			0 Months Ended			6 Months Ended			0 Months Ended
	Feb. 06, 2008	Jun. 30, 2013	Jun. 01, 2005	May 30, 2012 Surety Bond	Feb. 06, 2008 Surety Bond	Jun. 01, 2005 Found In Violation of Antitrust Laws drugs	Feb. 06, 2008 Judgment Reflects Trebling Of Compensatory Damages plantiffs	Feb. 06, 2008 Original Verdict	Feb. 06, 2008 Original Verdict Plus Punitive Damages	Jun. 30, 2013 Other Award Sought	Jun. 30, 2013 Self-funded Customers Voluntarily Dismissed plantiffs	Jun. 30, 2013 Self-funded Customers plantiffs	Jun. 01, 2005 Health Insurers insurers
Loss Contingencies [Line Items]
Loss contingency accrual			$ 12.0
Number of drugs						2
Number of plaintiffs							3				755	1,387	4
Judgment issued	69.0
Damages sought								11.0	58.0	8.0
Voluntary remittitur from plaintiffs		8.1
Bond				$ 66.6	$ 74.5