Commitments and Contingencies (Details) (Fumapharm AG [Member], USD $)	Jun. 30, 2014	Dec. 31, 2013
Five hundred million [Member]
Business Acquisition, Contingent Consideration [Line Items]
Cumulative sales level	$ 500,000,000
One billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Cumulative sales level	1,000,000,000.0	1,000,000,000
Two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Cumulative sales level	2,000,000,000
Three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Cumulative sales level	3,000,000,000.0
Each additional one billion up to twenty billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Cumulative sales level	20,000,000,000.0
Each additional sales level	1,000,000,000.0
Less than five hundred million [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	500,000,000
Less than five hundred million [Member] | One billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Less than five hundred million [Member] | Two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Less than five hundred million [Member] | Three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Less than five hundred million [Member] | Each additional one billion up to twenty billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Five hundred million to one billion [Member] | One billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	25,000,000
Five hundred million to one billion [Member] | Two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	50,000,000
Five hundred million to one billion [Member] | Three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	50,000,000
Five hundred million to one billion [Member] | Each additional one billion up to twenty billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	50,000,000
One billion to one point five billion [Member] | One billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	50,000,000
One billion to one point five billion [Member] | Two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	100,000,000
One billion to one point five billion [Member] | Three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	100,000,000
One billion to one point five billion [Member] | Each additional one billion up to twenty billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	100,000,000
One point five billion to two billion [Member] | One billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
One point five billion to two billion [Member] | Two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	150,000,000
One point five billion to two billion [Member] | Three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	150,000,000
One point five billion to two billion [Member] | Each additional one billion up to twenty billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	150,000,000
Two billion to two point five billion [Member] | One billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Two billion to two point five billion [Member] | Two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	200,000,000
Two billion to two point five billion [Member] | Three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	200,000,000
Two billion to two point five billion [Member] | Each additional one billion up to twenty billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	200,000,000
Two point five billion to three billion [Member] | One billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Two point five billion to three billion [Member] | Two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Two point five billion to three billion [Member] | Three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	250,000,000
Two point five billion to three billion [Member] | Each additional one billion up to twenty billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	250,000,000
Greater than three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	3,000,000,000
Greater than three billion [Member] | One billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Greater than three billion [Member] | Two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Greater than three billion [Member] | Three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	0
Greater than three billion [Member] | Each additional one billion up to twenty billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Milestone payment due on the prior 12 month sales	300,000,000
Minimum | Five hundred million to one billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	500,000,000
Minimum | One billion to one point five billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	1,000,000,000
Minimum | One point five billion to two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	1,500,000,000.0
Minimum | Two billion to two point five billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	2,000,000,000
Minimum | Two point five billion to three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	2,500,000,000.0
Maximum | Five hundred million to one billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	1,000,000,000
Maximum | One billion to one point five billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	1,500,000,000.0
Maximum | One point five billion to two billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	2,000,000,000
Maximum | Two billion to two point five billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	2,500,000,000.0
Maximum | Two point five billion to three billion [Member]
Business Acquisition, Contingent Consideration [Line Items]
Sales level	$ 3,000,000,000