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Credit Facilities	12 Months Ended
Credit Facilities	Apr. 30, 2013
Line of Credit Facility [Abstract]
CREDIT FACILITIES	CREDIT FACILITIES We have a committed revolving credit agreement with various U.S. and international banks for $800 that expires in November 2017. Its most restrictive quantitative covenant requires that our consolidated EBITDA (as defined in the agreement) to consolidated interest expense not be less than a ratio of 3 to 1. At April 30, 2013, we were well within this covenant’s parameters and had no borrowing outstanding under this facility.