SHARE-BASED COMPENSATION (Schedule of Unrecognized Compensation Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 30, 2013	Sep. 30, 2012
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost	$ 19,898	$ 19,483
Remaining weighted average service period (Years)	1 year 9 months 22 days	2 years 2 months 12 days
Stock Options [Member]
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, unrecognized compensation cost	3,577	6,484
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards, unrecognized compensation cost	$ 16,321	$ 12,999

Unrecognized cost of unvested share-based compensation awards.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

No definition available.

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

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