XML 62 R49.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value (Details Textual) (USD $)
Nov. 30, 2012
Fair Value (Textual) [Abstract]  
Potential amount of undiscounted future contingent consideration $ 75,000,000
Milestones associated with the contingent consideration 52,400,000
Reflected in current portion of contingent consideration $ 8,055,000