Leases (Tables)

12 Months Ended

Mar. 31, 2013

Leases [Abstract]

Schedule of future minimum rental payments for operating leases

The future minimum lease payments under noncancelable operating leases as of March 31, 2013, are as follows:

2014	$	19,762,041
2015	13,271,575
2016	6,744,285
2017	1,938,505
2018	588,251
Thereafter	—
Total future minimum lease payments	$	42,304,657