Non-GAAP revenue for the three months ended February 28 , 2010 and 2009 , respectively , gives effect to the add-back of an acquisition related deferred revenue adjustment of $ 0.5 million recorded for GAAP purposes in the three month period ended February 28 , 2010 and $ 3.1 million for the same period last year . In addition , non-GAAP revenue for the three months ended February 28 , 2009 excludes $ 8.5 million in prepackaged medications revenue that was recorded for GAAP purposes . Allscripts disposed of its prepackaged medications business on March 16 , 2009 . Non-GAAP revenue for the nine months ended February 28 , 2010 and 2009 , respectively , gives effect to the add-back of an acquisition related deferred revenue adjustment of $ 4.5 million recorded for GAAP purposes in the nine month period ended February 28 , 2010 and $ 5.2 million for the same period last year . In addition , non-GAAP revenue for the nine months ended February 28 , 2009 includes $ 109.3 million of legacy Allscripts pre-merger revenue , and excludes $ 13.2 million in prepackaged medications revenue that was recorded for GAAP purposes .