Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income, beginning balance		$ (247.4)	$ (74.1)	$ (260.6)	$ 178.2
Other comprehensive (loss)/income before reclassification adjustments		(198.7)	(37.4)	(167.4)	(240.4)
Tax effect		62.5	(6.1)	42.6	27.9
Reclassification adjustments to net earnings		6.8	4.1	9.7	11.5
Tax effect		(2.3)	(1.2)	(3.4)	(3.7)
Reclassification adjustment to retained earnings					(88.2)
Accumulated other comprehensive income, ending balance		(379.1)	(114.7)	(379.1)	(114.7)
Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income, beginning balance		(250.3)	(97.6)	(228.3)	99.5
Other comprehensive (loss)/income before reclassification adjustments		(24.4)	(56.8)	(46.4)	(165.7)
Tax effect		0.0	0.0	0.0	0.0
Reclassification adjustments to net earnings		0.0	0.0	0.0	0.0
Tax effect		0.0	0.0	0.0	0.0
Reclassification adjustment to retained earnings	[1]				(88.2)
Accumulated other comprehensive income, ending balance	[1]	(274.7)	(154.4)	(274.7)	(154.4)
Net Gains/Losses on Available-for-sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income, beginning balance		177.3	151.0	143.9	211.6
Other comprehensive (loss)/income before reclassification adjustments		(174.3)	19.4	(121.0)	(74.7)
Tax effect		62.5	(6.1)	42.6	27.9
Reclassification adjustments to net earnings	[2]	3.8	(0.9)	3.8	(1.7)
Tax effect		(1.2)	0.3	(1.2)	0.6
Reclassification adjustment to retained earnings					0.0
Accumulated other comprehensive income, ending balance		68.1	163.7	68.1	163.7
Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income, beginning balance		(174.4)	(127.5)	(176.2)	(132.9)
Other comprehensive (loss)/income before reclassification adjustments		0.0	0.0	0.0	0.0
Tax effect		0.0	0.0	0.0	0.0
Reclassification adjustments to net earnings	[3]	3.0	5.0	5.9	13.2
Tax effect		(1.1)	(1.5)	(2.2)	(4.3)
Reclassification adjustment to retained earnings					0.0
Accumulated other comprehensive income, ending balance		$ (172.5)	$ (124.0)	$ (172.5)	$ (124.0)

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

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

[3] (B) Reclassification adjustments out of AOCI are included in net pension expense (see Note 10).