General Information (Details) (USD $)	Jul. 28, 2013
Elan Corporation [Member]
Business Acquisition, Cash Exchange	$ 6.25
Business Acquisition, Share Exchange Ratio	0.07636
Percentage of Ownership After Transaction	29.00%
Perrigo Company [Member]
Business Acquisition, Cash Exchange	$ 0.01
Percentage of Ownership After Transaction	71.00%