PENSION, DEFERRED COMPENSATION AND POST-RETIREMENT BENEFIT PLANS (Details 5) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 1,126.0	$ 1,086.9
Level 1
Defined Benefit Plan Disclosure
Fair value of plan assets	371.9	306.6
Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets	564.7	609.4
Level 3
Defined Benefit Plan Disclosure
Fair value of plan assets	189.4	170.9
Short-term investment funds
Defined Benefit Plan Disclosure
Fair value of plan assets	56.5	157.8
Short-term investment funds | Level 1
Defined Benefit Plan Disclosure
Fair value of plan assets	28.9	79.4
Short-term investment funds | Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets	27.6	78.4
Government and agency securities
Defined Benefit Plan Disclosure
Fair value of plan assets	16.9	35.8
Government and agency securities | Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets	16.9	35.8
Equity securities
Defined Benefit Plan Disclosure
Fair value of plan assets	125.6	73.6
Equity securities | Level 1
Defined Benefit Plan Disclosure
Fair value of plan assets		73.6
Equity securities | Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets	125.6
Debt instruments
Defined Benefit Plan Disclosure
Fair value of plan assets	94.4	134.2
Debt instruments | Level 1
Defined Benefit Plan Disclosure
Fair value of plan assets	94.4
Debt instruments | Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets		134.2
Commingled funds
Defined Benefit Plan Disclosure
Fair value of plan assets	679.8	552.3
Commingled funds | Level 1
Defined Benefit Plan Disclosure
Fair value of plan assets	248.6	153.6
Commingled funds | Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets	394.6	361.0
Commingled funds | Level 3
Defined Benefit Plan Disclosure
Fair value of plan assets	36.6	37.7
Insurance contracts
Defined Benefit Plan Disclosure
Fair value of plan assets	43.6	38.7
Insurance contracts | Level 3
Defined Benefit Plan Disclosure
Fair value of plan assets	43.6	38.7
Limited partnerships and hedge fund investments
Defined Benefit Plan Disclosure
Fair value of plan assets	109.2	94.5
Limited partnerships and hedge fund investments | Level 3
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 109.2	$ 94.5