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Interest Rates and Company Borrowings (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
Interest and debt expense: |  |  |  |
Weighted average interest rate during the period | 1.69% | 1.65% | 1.71% | 1.68%
Interest rate at the end of the period |  | 1.72% |  | 1.72%
Maximum amount outstanding during the quarter | $ 48,920 | $ 38,599 | $ 48,920 | $ 38,599
Average amount outstanding during the period | 26,374 | 21,717 | 25,154 | 18,049
Facility fees | $ 106 | $ 100 | $ 284 | $ 307

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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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- Definition Amount of the fees associated with providing collateral for the credit facility. + References No definition available. + Details
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- Definition Maximum amount borrowed under the credit facility at any time during the period. + References No definition available. + Details
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