Consolidated Statements Of Changes In Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
May 31, 2012	May 31, 2011	May 31, 2010
Minimum pension liability adjustment, tax	$ 1,260	$ 88	$ (584)
Foreign currency translation adjustment, tax	$ 6,879	$ (5,366)	$ 555

Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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The tax effect of the amount of the change in the additional minimum pension liability not yet recognized pursuant to FAS 87 as a net periodic pension cost. If the additional pension liability required to be recognized exceeds the unrecognized prior service costs, then the excess (which is the net loss not yet recognized as net periodic pension cost) is to be recorded as a separate component in other comprehensive income, before adjusting for tax effects. In a subsequent measurement, the elimination or adjustment to the amount of the minimum pension liability recorded in accumulated other comprehensive income is included in this line. Eliminated upon adoption of FAS 158.

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