EARNINGS PER SHARE (EPS) (Detail) - Summary of reconciliation of share amounts used in earnings per share In Thousands, unless otherwise specified	3 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Weighted average shares outstanding - basic	55,153	56,025
Incremental shares from stock based compensation	2,112	1,057
Weighted average shares outstanding - diluted	57,265	57,082
Stock Options [Member]
Anti-dilutive options excluded from diluted EPS computation	884	1,202

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