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SUMMARY OF PER SHARE INFORMATION | 9 Months Ended
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Dec. 31, 2012
SUMMARY OF PER SHARE INFORMATION [Abstract] |
SUMMARY OF PER SHARE INFORMATION |
8. | SUMMARY OF PER SHARE INFORMATION
The following presents a summary of per share data for the three and nine months ended December 31, 2012 and 2011.
|  | Three Months Ended December 31 |  |  | Nine Months Ended December 31 |
Per Share Data |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Investment income |  | $ | 1.84 |  |  | $ | 1.50 |  |  | $ | 2.57 |  |  | $ | 2.15 |
Operating expenses |  |  | (.74 | ) |  |  | (.32 | ) |  |  | (1.50 | ) |  |  | (.96 | )
Income taxes |  |  | (.01 | ) |  |  | (.01 | ) |  |  | (.01 | ) |  |  | (.01 | )
Net investment income |  |  | 1.09 |  |  |  | 1.17 |  |  |  | 1.06 |  |  |  | 1.18 |
Distributions from undistributed net investment income |  |  | (.40 | ) |  |  | (.40 | ) |  |  | (.80 | ) |  |  | (.80 | )
Net realized gain/(loss) net of tax |  |  | .17 |  |  |  | (.64 | ) |  |  | 17.78 |  |  |  | 2.68 |
Net increase (decrease) in unrealized appreciation of investments |  |  | 5.87 |  |  |  | 13.00 |  |  |  | (1.56 | ) |  |  | .04 |
Dividends from capital gains |  |  | – |  |  |  |  |  |  |  | (17.59 | ) |  |  |  |
Exercise of employee stock options |  |  | (.04 | ) |  |  | – |  |  |  | (.76 | ) |  |  | (.03 | )
Stock option expense |  |  | .02 |  |  |  | .07 |  |  |  | .09 |  |  |  | .20 |
Other* |  |  | – |  |  |  | – |  |  |  | (.31 | ) |  |  | – |
Increase (decrease) in net asset value |  |  | 6.71 |  |  |  | 13.20 |  |  |  | (2.09 | ) |  |  | 3.27 |
Net asset value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning of period |  |  | 158.65 |  |  |  | 133.75 |  |  |  | 167.45 |  |  |  | 143.68 |
End of period |  | $ | 165.36 |  |  | $ | 146.95 |  |  | $ | 165.36 |  |  | $ | 146.95 |
* | Reflects impact of the different share amounts as a result of issuance or forfeiture of restricted stock during the period.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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