XML 76 R80.htm IDEA: XBRL DOCUMENT v3.2.0.727
Long-Lived Assets, Excluding Financial Instruments and Tax Assets, Classified by Controlling Countries over Ten Percent (Detail) - USD ($)
$ in Thousands
Apr. 30, 2015
Apr. 30, 2014
Apr. 30, 2013
Segment Reporting Information [Line Items]      
Long-lived assets [1] $ 62,088 $ 60,434 $ 53,628
UNITED STATES      
Segment Reporting Information [Line Items]      
Long-lived assets [2] 50,103 47,411 40,200
Other Countries      
Segment Reporting Information [Line Items]      
Long-lived assets $ 11,985 $ 13,023 $ 13,428
[1] As of the end of the fiscal year.
[2] Includes Corporate long-lived assets