RETIREMENT PLANS - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Jul. 01, 2010
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer match for the initial 4% contribution	150.00%
Employer match on remaining compensation contribution up to 6%	50.00%
Maximum Employer contributions	6.00%
Compensation charges	$ 13.8	$ 13.1	$ 12.9
Defined Benefit Plan, Curtailments		(0.5)
U.S. Defined Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of defined benefit plans for certain U.S. associates	2
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments			(0.2)
Defined Benefit Plan, Curtailments
International Defined Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	0	0.5
Defined Benefit Plan, Curtailments		$ 0.8
Number of defined benefit pension plans that were frozen in the U.K.				2