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Available-for-Sale Investments (Table Text Block) | 12 Months Ended
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Mar. 31, 2013
Investments, Debt and Equity Securities [Abstract] |
Available-for-Sale Investments | Available-for-sale investments at March 31, 2013 were as follows:
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses More than 12 Months |  | Gross Unrealized Losses Less than 12 Months |  | Estimated Market Value
|  | (In thousands)
U.S. treasury securities and government obligations | $ | 24,518 | $ | 2,749 | $ | (3 | )$ | (3 | )$ | 27,261
U.S. government agency mortgage-backed securities |  | 44,934 |  | 4,027 |  | (7 | ) | (73 | ) | 48,881
Obligations of states and political subdivisions |  | 154,692 |  | 16,056 |  | (2 | ) | (292 | ) | 170,454
Corporate securities |  | 729,677 |  | 51,596 |  | (373 | ) | (2,265 | ) | 778,635
Mortgage-backed securities |  | 6,730 |  | 282 |  | (27 | ) | - |  | 6,985
Redeemable preferred stocks |  | 23,705 |  | 751 |  | (214 | ) | (30 | ) | 24,212
Common stocks |  | 43,729 |  | 273 |  | (4,685 | ) | (407 | ) | 38,910
| $ | 1,027,985 | $ | 75,734 | $ | (5,311 | )$ | (3,070 | )$ | 1,095,338
Available-for-sale investments at March 31, 2012 were as follows:
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses More than 12 Months |  | Gross Unrealized Losses Less than 12 Months |  | Estimated Market Value
|  | (In thousands)
U.S. treasury securities and government obligations | $ | 29,152 | $ | 2,964 | $ | (18 | )$ | (9 | )$ | 32,089
U.S. government agency mortgage-backed securities |  | 48,938 |  | 4,866 |  | (1 | ) | (7 | ) | 53,796
Obligations of states and political subdivisions |  | 142,824 |  | 9,435 |  | - |  | (147 | ) | 152,112
Corporate securities |  | 445,433 |  | 33,350 |  | (619 | ) | (2,236 | ) | 475,928
Mortgage-backed securities |  | 11,572 |  | 282 |  | (38 | ) | (5 | ) | 11,811
Redeemable preferred stocks |  | 24,370 |  | 1,066 |  | (1,627 | ) | (632 | ) | 23,177
Common stocks |  | 27,736 |  | 37 |  | (9,720 | ) | (174 | ) | 17,879
| $ | 730,025 | $ | 52,000 | $ | (12,023 | )$ | (3,210 | )$ | 766,792
The tables above include gross unrealized losses that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position. We sold available-for-sale securities with a fair value of $165.1 million, $141.1 million and $134.7 million in fiscal 2013, 2012 and 2011, respectively. The gross realized gains on these sales totaled $9.5 million, $5.9 million and $2.0 million in fiscal 2013, 2012 and 2011, respectively. We realized gross losses on these sales of $0.7 million, $0.2 million and $0.2 million in fiscal 2013, 2012 and 2011, respectively. The unrealized losses of more than twelve months in the tables above are considered temporary declines. The majority of this unrealized loss is related to our long term investments in 1.8 million shares of Bank of America common stock. We track each investment with an unrealized loss and evaluate them on an individual basis for other-than-temporary impairments including obtaining corroborating opinions from third party sources, performing trend analysis and reviewing management's future plans. Certain of these investments may have declines determined by management to be other-than-temporary and we recognized these write-downs through earnings. We recognized other-than-temporary impairments of $0.1 million and $0.8 million in fiscal 2012 and 2011, respectively. There were no write downs in fiscal 2013.

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27198-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a, b -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a, b -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 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27337-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19, 20, 21 -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 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 + Details
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