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8. Income (Loss) Per Share (Narrative)	3 Months Ended		6 Months Ended
8. Income (Loss) Per Share (Narrative)	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Shares excluded from the calculations of diluted loss per share	413,000,000	411,000,000	6,000,000	413,000,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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