SHARE-BASED COMPENSATION (Narrative) (Details) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future awards or grants	1,900,000
Proceeds from exercise of stock options	$ 3,688,000	$ 9,224,000	$ 5,546,000
Stock Options [Member]
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding options maximum term	10 years
Total fair value of the shares vested	$ 2,800,000	$ 3,200,000	$ 2,500,000
Number of shares granted (in shares)	0	0
Weighted average fair value of stock options (in dollars per share)			$ 16.90
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in dollars per share)	$ 54.19
Performance Shares [Member]
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in dollars per share)	$ 53.55	$ 45.20	$ 40.28
Employee, vesting period	3 years
Employee, restriction period	3 years
Minimum [Member] | Stock Options [Member]
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee, vesting period	1 year
Minimum [Member] | Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee, vesting period	3 years
Employee, restriction period	3 years
Non-employee directors, award vesting period	13 months
Non-employee directors, award restriction period	13 months
Maximum [Member] | Stock Options [Member]
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee, vesting period	4 years
Maximum [Member] | Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee, vesting period	4 years
Employee, restriction period	4 years