EQUITY-BASED INCENTIVE AWARDS (Details) (USD $)	6 Months Ended
	Mar. 31, 2014
EQUITY-BASED INCENTIVE AWARDS
Number of shares of the company's common stock permitted for issuance under the plan	150,000
Number of shares awarded pursuant to the plan	147,700
Number of shares that may be awarded under the plan	2,300
Stock Options
Omnibus plan and stock option activity
Expiration period	10 years
Stock options issued and outstanding
Number Outstanding (in shares)	43,800
Weighted-Average Exercise Price (in dollars per share)	$ 34.77
Number Exercisable (in shares)	31,300
Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 25.47
Stock Options | Minimum
Omnibus plan and stock option activity
Vesting period	3 years
Stock Options | Maximum
Omnibus plan and stock option activity
Vesting period	5 years
Stock Options | Fiscal 2007
Stock options issued and outstanding
Number Outstanding (in shares)	25,000
Remaining Weighted-Average Contractual Life	2 years 8 months 12 days
Weighted-Average Exercise Price (in dollars per share)	$ 18.00
Number Exercisable (in shares)	25,000
Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 18.00
Stock Options | Fiscal 2010
Stock options issued and outstanding
Number Outstanding (in shares)	4,900
Remaining Weighted-Average Contractual Life	6 years 29 days
Weighted-Average Exercise Price (in dollars per share)	$ 51.50
Number Exercisable (in shares)	2,700
Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 51.50
Stock Options | Fiscal 2012
Stock options issued and outstanding
Number Outstanding (in shares)	6,100
Remaining Weighted-Average Contractual Life	7 years 7 months 6 days
Weighted-Average Exercise Price (in dollars per share)	$ 54.80
Number Exercisable (in shares)	2,200
Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 54.91
Stock Options | Fiscal 2012 | Minimum
Stock options issued and outstanding
Weighted-Average Exercise Price (in dollars per share)	$ 53.80
Stock Options | Fiscal 2012 | Maximum
Stock options issued and outstanding
Weighted-Average Exercise Price (in dollars per share)	$ 65.97
Stock Options | Fiscal 2013
Stock options issued and outstanding
Number Outstanding (in shares)	7,800
Remaining Weighted-Average Contractual Life	8 years 6 months 25 days
Weighted-Average Exercise Price (in dollars per share)	$ 62.33
Number Exercisable (in shares)	1,400
Exercisable, Weighted-Average Exercise Price (in dollars per share)	$ 62.33