Commitments and Contingencies (Details 2) (USD $) In Millions, unless otherwise specified	1 Months Ended	6 Months Ended
Sep. 08, 2011 Alleged Securities Exchange Act violations item	Jun. 30, 2012 Puerto Rico distributor case	Jun. 30, 2012 Puerto Rico distributor case Lower Limit
Commitments and Contingencies
Number of purported class action lawsuits filed	3
Claim amounts sought			$ 40.0
Treble damages sought by international representative		$ 120.0

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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