RETIREMENT AND POSTRETIREMENT BENEFIT PLANS (Schedule of Fair Value Measurements of Plan Assets) (Details) (Defined Benefit Retirement Plans [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Fair Value Measurements of Plan Assets
Plan assets at fair value	$ 246.8	$ 217.3	$ 215.7
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	246.8	217.3
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	189.5	162.1
Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	57.3	55.2
Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value
Cash [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	2.3	2.3
Cash [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	2.3	2.3
Cash [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value
Cash [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value
US Companies [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	87.8	70.3
US Companies [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	87.8	70.3
US Companies [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value
US Companies [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value
International Companies [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	34.9	30.7
International Companies [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	34.9	30.7
International Companies [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value
International Companies [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value
Fixed Income Securities [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	121.4	113.6
Fixed Income Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	64.1	58.4
Fixed Income Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	57.3	55.2
Fixed Income Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value
Other [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	0.4	0.4
Other [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value	0.4	0.4
Other [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value
Other [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements of Plan Assets
Plan assets at fair value