Acquisition-Related Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2014	Apr. 30, 2013
Acquired Finite Lived Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition-Related Intangible Assets	$ 2,708	$ 2,236
Accumulated amortization	(2,180)	(1,619)
Finite-Lived Intangible Assets, Net, Total	528	617
Acquired Finite Lived Intangible Assets | Current technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition-Related Intangible Assets	1,842	1,370
Acquired Finite Lived Intangible Assets | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition-Related Intangible Assets	790	790
Acquired Finite Lived Intangible Assets | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition-Related Intangible Assets	76	76
Logility Stock
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition-Related Intangible Assets	707	707
Accumulated amortization	(701)	(637)
Finite-Lived Intangible Assets, Net, Total	6	70
Logility Stock | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition-Related Intangible Assets	477	477
Logility Stock | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition-Related Intangible Assets	155	155
Logility Stock | Distribution Channel Other
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition-Related Intangible Assets	$ 75	$ 75