Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income, beginning balance	$ (215.1)	$ (260.6)
Other comprehensive (loss)/income before reclassification adjustments	(60.6)	31.4
Tax effect	26.2	(20.0)
Reclassification adjustments to net earnings	5.0	2.9
Tax effect	(1.9)	(1.1)
Accumulated other comprehensive income, ending balance	(246.4)	(247.4)
Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income, beginning balance	(253.8)	(228.3)
Other comprehensive (loss)/income before reclassification adjustments	10.8	(22.0)
Tax effect	0.0	0.0
Reclassification adjustments to net earnings	0.0	0.0
Tax effect	0.0	0.0
Accumulated other comprehensive income, ending balance	(243.0)	(250.3)
Net Gains/Losses on Available-for-sale Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income, beginning balance	333.8	143.9
Other comprehensive (loss)/income before reclassification adjustments	(71.4)	53.4
Tax effect	26.2	(20.0)
Reclassification adjustments to net earnings	(0.1)	0.0	[1]
Tax effect	0.0	0.0
Accumulated other comprehensive income, ending balance	288.5	177.3
Pension Liability
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income, beginning balance	(295.1)	(176.2)
Other comprehensive (loss)/income before reclassification adjustments	0.0	0.0
Tax effect	0.0	0.0
Reclassification adjustments to net earnings	5.1	2.9
Tax effect	(1.9)	(1.1)
Accumulated other comprehensive income, ending balance	$ (291.9)	$ (174.4)

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