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Comprehensive Income (Tables) | 6 Months Ended
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Nov. 30, 2011
Comprehensive Income |
Components of comprehensive income |
(In thousands) |  | Three Months Ended |  |  | Six Months Ended |
|  | November 30, |  |  | November 30, |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Net income |  | $ 74,350 |  |  | $ 55,866 |  |  | $142,988 |  |  | $117,143 |
Other comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustment |  | (20,764) |  |  | 10,025 |  |  | (20,546) |  |  | 13,374 |
Change in fair value of derivatives* |  | 27 |  |  | (19) |  |  | 181 |  |  | (625) |
Amortization of interest rate lock agreements |  | 377 |  |  | 191 |  |  | 754 |  |  | 383 |
Change in fair value of available-for-sale securities** |  | 7 |  |  | 1 |  |  | 25 |  |  | 28 |
Comprehensive income |  | $ 53,997 |  |  | $ 66,064 |  |  | $123,402 |  |  | $130,303 |
* | Net of less than $0.1 million of tax expense and less than $0.1 million of tax benefit for the three months ended November 30, 2011 and November 30, 2010, respectively. Net of $0.1 million of tax expense and net of $0.4 million of tax benefit for the six months ended November 30, 2011 and November 30, 2010, respectively.
** | Net of less than $0.1 million of tax expense for both the three months ended November 30, 2011 and November 30, 2010, respectively. Net of less than $0.1 million of tax expense for both the six months ended November 30, 2011 and November 30, 2010, respectively.

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- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 220 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 45 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e526-108580 + Details
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