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Income Taxes (Details Textual) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
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May 31, 2013
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May 31, 2012
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| Income Taxes (Details Textual) [Abstract] | ||
| Total reserve for uncertain tax positions | $ 19.8 | $ 36.8 |
| Total reserve for uncertain tax positions included in long-term liabilities | 19.7 | 35.9 |
| Reserve for uncertain tax positions, increase in May 2013 | 21.2 | |
| Impact of uncertain tax positions, if recognized, on company's effective income tax rate | $ 14.6 | $ 31.6 |
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- Details
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- Definition
Liability for uncertain tax positions current and noncurrent. No definition available.
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- Definition
The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net amount of all increases and decreases in unrecognized tax benefits for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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