Supplemental Financial Information (Details 2) In Thousands, unless otherwise specified	3 Months Ended
Jun. 30, 2012	Jun. 30, 2011
Denominator:
Weighted average common shares used in basic computation	33,809	34,365
Dilutive stock options (in shares)		171
Dilutive restricted stock units (in shares)	54	23
Weighted average common shares used in diluted computation	33,863	34,559
Stock Options
Shares excluded in the computation of income from continuing operations per share
Shares excluded in the computation of income from continuing operations per share	1,938	2,170
Warrants
Shares excluded in the computation of income from continuing operations per share
Shares excluded in the computation of income from continuing operations per share	15	15

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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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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+ Details