Annual report pursuant to Section 13 and 15(d)

Future Minimum Commitments under Non-Cancelable Operating Leases (Detail)

v2.4.0.6
Future Minimum Commitments under Non-Cancelable Operating Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2013
Schedule Of Future Minimum Rental Payments For Operating Leases [Line Items]  
2014 $ 44,096
2015 37,623
2016 27,833
2017 20,893
2018 16,788
Thereafter 66,095
Total operating leases $ 213,328