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Net (Loss) Income per Share - Additional Information (Detail)	3 Months Ended
	Jun. 30, 2013 Stock Options	Jun. 30, 2013 Restricted Stock	Jun. 30, 2012 Performance Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the calculation of diluted weighted average shares outstanding	4,326,000	1,168,000	490,000

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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