Employee Benefit Plans (Details) In Millions, unless otherwise specified			0 Months Ended		0 Months Ended
	Apr. 13, 2012 2006 Employee Share Purchase Plan (Non-U.S.)	Apr. 13, 2012 2012 Stock Inducement Equity Plan	Sep. 05, 2012 Amendments to and restatement of 2006 Stock Incentive Plan	Oct. 25, 2012 Amendments to and restatement of 2006 Stock Incentive Plan	Sep. 04, 2013 1996 ESPP and 2006 ESPP	Dec. 09, 2013 1996 ESPP and 2006 ESPP
Employee Benefit Plan
Number of additional shares to be issued			7.3		8.0
Number of shares registered	5.0	1.8		7.3		8.0