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Condensed Consolidated Statements of Comprehensive Income (Parentheticals) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
May 31, 2014
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May 31, 2013
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May 31, 2014
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May 31, 2013
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| Statement of Comprehensive Income [Abstract] | ||||
| Tax provision (benefit) included in accumulated unrealized gains on investments | $ 28 | $ 3 | $ 159 | $ 51 |