Commitments and Contingencies (Details Textual) In Thousands, unless otherwise specified	Mar. 31, 2012 2003 Federal Import Tax Assessment [Member] USD ($)	Mar. 31, 2012 2003 Federal Import Tax Assessment [Member] BRL	Mar. 31, 2012 2007 Sao Paulo Municipal Tax Assessment [Member] USD ($)	Mar. 31, 2012 2007 Sao Paulo Municipal Tax Assessment [Member] BRL	Mar. 31, 2012 2011 Federal Income Tax Assessment [Member] USD ($)	Mar. 31, 2012 2011 Federal Income Tax Assessment [Member] BRL	Mar. 31, 2012 2003 Assessment [Member] USD ($)	Mar. 31, 2012 2003 Assessment [Member] BRL	Mar. 31, 2012 2007 Assessment [Member] USD ($)	Mar. 31, 2012 2007 Assessment [Member] BRL
Commitments and Contingencies (Textual) [Abstract]
Amount of commercial taxes due on the import of software acquired	$ 6,985	12,714
Amount of penalties on service taxes			14,270	25,972
Amount of service taxes due on the resale of software			15,995	29,111
Amount of statutory penalties for delays in providing certain electronic files					8,736	15,900
Amount of penalties and interest likely to be assessed							14,575	26,527
Amount of interest and inflationary adjustments likely to be assessed									$ 58,551	106,562