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Leases (table)
12 Months Ended
Mar. 31, 2013
Operating Leases, Future Minimum Payments Due [Abstract]  
Operating Leases of Lessee Disclosure [Table Text Block]
Years ending March 31:      
2014$32,814    
2015 30,306    
2016 26,559    
2017 22,603    
2018 18,641    
2019-2031 36,774    
Total minimum payment required$167,697