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Subsequent Events (Details) (Subsequent Events, USD $) In Millions, except Per Share data, unless otherwise specified | 1 Months Ended |
--- | --- | ---
Sep. 29, 2012 | Aug. 25, 2012 | Aug. 13, 2012
Subsequent Events |  |  |
Subsequent Event |  |  |
Intellectual property rights |  | $ 25 |
Dividend amount (per share) |  |  | $ 0.125
Declaration date |  | Aug. 13, 2012 |
Record date | Aug. 31, 2012 |  |
Payment date | Sep. 28, 2012 |  |

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