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           Subsequent Events (Narrative) (Details) (USD $) 
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           Jul. 02, 2011 
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| Subsequent Events | |
| Cash dividend | $ 0.63 | 
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- Definition 
          The per share amount of a dividend declared, but not paid, as of the financial reporting date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Subsequent Event Abstract 
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