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Changes in Restructuring Liability (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified

9 Months Ended

Jan. 31, 2013

Restructuring Cost and Reserve [Line Items]

$ (1,008)

^[1]

[1]	During the nine months ended January 31, 2013, the Company recovered $1.0 million from a legal settlement (related to premises) attributable to a previous restructuring action.

- Definition

Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

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