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Certain Financial Statement Information - Additional Information (Details) In Millions, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Certain Financial Statement Information (Textual) [Abstract]
Anti-dilutive securities that have been excluded from the net (loss) income, per share computation	6.0	8.0	9.5
Options and Restricted Stock Units
Certain Financial Statement Information (Textual) [Abstract]
Anti-dilutive securities that have been excluded from the net (loss) income, per share computation	4.5	7.2	9.0
Effect of dilutive securities that have been excluded from the net loss per share computation	1.5	0.8	0.5

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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