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Quarterly Results (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
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Apr. 30, 2013
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Apr. 30, 2013
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Apr. 30, 2012
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Apr. 30, 2011
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| Restructuring charges, net | $ 2,900 | $ 22,857 | [1] | $ 929 | $ 2,130 | ||
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| X | ||||||||||
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- Definition
Restructuring Charge Net of Accrual Adjustment No definition available.
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