Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2016		Jun. 30, 2015	Jun. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Net of Tax		$ 45.5		$ (350.6)	$ 162.8
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive, beginning balance		(260.6)		178.2	15.4
Other Comprehensive Income (Loss), before Reclassifications		63.9		(431.2)	214.7
Tax effect		29.3		71.3	(57.9)
Reclassification adjustments to net earnings		(17.0)		(14.2)	(5.7)
Tax effect		(6.1)		(4.9)	0.3
Accumulated Other Comprehensive, ending balance		(215.1)		(260.6)	178.2
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax				(88.2)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive, beginning balance		(228.3)		99.5	39.6
Other Comprehensive Income (Loss), before Reclassifications		(25.5)		(240.8)	58.4
Tax effect		0.0
Reclassification adjustments to net earnings		0.0	[1]	(1.2)	(1.5)
Tax effect		0.0
Accumulated Other Comprehensive, ending balance		(253.8)		(228.3)	99.5
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	[2]			(88.2)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive, beginning balance		143.9		211.6	186.7
Other Comprehensive Income (Loss), before Reclassifications		288.8		(103.0)	53.5
Tax effect		102.2		38.6	(18.2)
Reclassification adjustments to net earnings	[3]	(5.0)		4.9	16.5
Tax effect		(1.7)		1.6	6.1
Accumulated Other Comprehensive, ending balance		333.8		143.9	211.6
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax				0.0
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive, beginning balance		(176.2)		(132.9)	(210.9)
Other Comprehensive Income (Loss), before Reclassifications		(199.4)		(87.4)	102.8
Tax effect		(72.9)		32.7	(39.7)
Reclassification adjustments to net earnings	[4]	(12.0)		(17.9)	(20.7)
Tax effect		(4.4)		(6.5)	(5.8)
Accumulated Other Comprehensive, ending balance		$ (295.1)		(176.2)	$ (132.9)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax				$ 0.0

[1] (A) Reclassification adjustments out of AOCI are included within net earnings from discontinued operations, on the Statements of Consolidated Earnings.

[2] Reclassification adjustment out of AOCI is related to the CDK spin-off and included in retained earnings on the Consolidated Balance Sheets.

[3] Reclassification adjustments out of AOCI are included within Other income, net, on the Statements of Consolidated Earnings.

[4] Reclassification adjustments out of AOCI are included in net pension expense (see Note 9).