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Basis of Presentation (Details)
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3 Months Ended |
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Jun. 30, 2011
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| Basis of Presentation [Abstract] | |
| Number of principal reporting segments | 2 |
| Number of categories of service | 3 |
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- Definition
The number of services provided by an entity's principal reporting segment.
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- Definition
The number of reporting segments for an entity.
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- Details
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