ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Changes in AOCI, net of tax by component
Balance, beginning of year	$ 3,854.9
Translation adjustments	(306.0)	$ 87.2	$ (20.1)
Balance, end of year	3,643.2	3,854.9
Accumulated other comprehensive income (loss)	(381.5)	(100.3)
AOCI Attributable to Parent
Changes in AOCI, net of tax by component
Accumulated other comprehensive income (loss)	(381.5)	(100.3)	(157.5)
Net unrealized investment gains (losses)
Changes in AOCI, net of tax by component
Balance, beginning of year	1.4	0.8	0.5
Amounts before reclassification	0.5	0.9	0.4
Benefit (provision) for deferred income taxes	(0.2)	(0.3)	(0.1)
Amounts reclassified out	(2.4)
Benefit (provision) for deferred income taxes on reclassification	0.8
Translation adjustments	(0.2)
Balance, end of year	(0.1)	1.4	0.8
Net derivative instruments
Changes in AOCI, net of tax by component
Balance, beginning of year	(0.9)	18.3	17.4
Amounts before reclassification	107.8	(22.2)	10.3
Benefit (provision) for deferred income taxes before reclassification	(38.3)	7.9	(3.6)
Benefit (provision) for deferred income taxes on reclassification	13.5	2.6	3.3
Balance, end of year	43.9	(0.9)	18.3
Net pension and post-retirement adjustments
Changes in AOCI, net of tax by component
Balance, beginning of year	(233.0)	(213.7)	(293.5)
Benefit (provision) for deferred income taxes before reclassification	13.2	10.4	(36.8)
Benefit (provision) for deferred income taxes on reclassification	(7.2)	(6.5)	(12.8)
Translation adjustments	15.8	(10.2)	3.5
Balance, end of year	(235.0)	(233.0)	(213.7)
Net actuarial gains/losses recognized
Changes in AOCI, net of tax by component
Balance, beginning of year	(325.5)
Amounts before reclassification	(48.3)	(42.1)	92.8
Amounts reclassified out	21.2	18.0	28.9
Translation adjustments	15.3
Balance, end of year	(337.3)	(325.5)
Net prior service credit/cost recognized
Changes in AOCI, net of tax by component
Balance, beginning of year	(12.7)
Amounts before reclassification		6.7
Amounts reclassified out	3.3	4.4	4.3
Translation adjustments	0.5
Balance, end of year	(8.9)	(12.7)
Net transition asset (obligation)
Changes in AOCI, net of tax by component
Amounts reclassified out			(0.1)
Cumulative translation adjustments
Changes in AOCI, net of tax by component
Balance, beginning of year	132.2	37.1	62.7
Amounts before tax	(319.5)	96.7	(24.5)
Benefit (provision) for deferred income taxes	(3.0)	(1.6)	(1.1)
Balance, end of year	(190.3)	132.2	37.1
Foreign currency forward contracts | Net derivative instruments
Changes in AOCI, net of tax by component
Amounts reclassified out	(37.8)	(7.2)	(8.8)
Settled interest rate-related derivatives | Net derivative instruments
Changes in AOCI, net of tax by component
Amounts reclassified out	$ (0.4)	$ (0.3)	$ (0.3)