Restructuring Costs	12 Months Ended
Restructuring Costs	Apr. 30, 2011
Restructuring Costs [Abstract]
RESTRUCTURING COSTS	13. RESTRUCTURING COSTS In April 2009, we accrued $12 in costs related to our decision to reduce our workforce through involuntary employment termination and voluntary early retirement. That amount, which is reflected in selling, general, and administrative expenses, consisted of severance and other special termination benefits. We incurred no material additional expenses as a result of this reduction in workforce, which was completed in fiscal 2009, and we paid substantially all of the accrued amount during fiscal 2010.

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

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