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Effect of Interest Rate Contracts on Statement of Operations (Table Text Block) | 6 Months Ended
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Sep. 30, 2012
General Discussion of Derivative Instruments and Hedging Activities [Abstract] |
Schedule of derivative instruments, gain (loss) in statement of financial performance |
|  | The Effect of Interest Rate Contracts on the Statements of Operations |
|  | September 30, 2012 |  |  | September 30, 2011 |
|  | (Unaudited) |
|  | (In thousands) |
Loss recognized in income on interest rate contracts |  | $ | 11,465 |  |  | $ | 11,701 |
(Gain) loss recognized in AOCI on interest rate contracts (effective portion) |  | $ | (253 | ) |  | $ | 16,110 |
Loss reclassified from AOCI into income (effective portion) |  | $ | 10,225 |  |  | $ | 12,048 |
(Gain) loss recognized in income on interest rate contracts (ineffective portion and amount excluded from effectiveness testing) |  | $ | 1,240 |  |  | $ | (347 | )
Gains or losses recognized in income on derivatives are recorded as interest expense in the statements of operations. At September 30, 2012, we expect to reclassify $17.4 million of net losses on interest rate contracts from accumulated other comprehensive income to earnings as interest expense over the next twelve months.

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- Definition Tabular disclosure of the location and amount of gains and losses reported in the statement of financial performance, or when applicable, the statement of financial position. For example, (a) gains and losses recognized in the income statement on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges and (b) gains and losses initially recognized in other comprehensive income on derivative instruments designated and qualifying as cash flow hedges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph 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 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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