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Treasury Stock (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
9 Months Ended | 0 Months Ended | |||||
|---|---|---|---|---|---|---|---|
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Apr. 30, 2012
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Aug. 12, 2011
August 2011 Repurchase Agreement [Member]
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Aug. 15, 2011
August 2011 Repurchase Agreement [Member]
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Jan. 18, 2012
January 2012 Repurchase Agreement [Member]
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Jan. 20, 2012
January 2012 Repurchase Agreement [Member]
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Jan. 18, 2012
Catterton Repurchase Agreements [Member]
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Jan. 20, 2012
Catterton Repurchase Agreements [Member]
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| Equity, Class of Treasury Stock [Line Items] | |||||||
| Common stock purchased, shares | 1,000,000 | 1,000,000 | 1,000,000 | ||||
| Common stock price per share | $ 20.00 | $ 28.50 | $ 28.50 | ||||
| Aggregate purchase price of common stock | $ 77,000 | $ 20,000 | $ 28,500 | $ 28,500 | |||
| Closing price of common stock | $ 20.62 | $ 29.34 | $ 29.34 | ||||
| Percentage of issued and outstanding common stock prior to repurchase | 1.80% | 1.80% | 1.80% | ||||