Equity (Details 4) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Additions to and reclassifications out of Accumulated other comprehensive income
Total other comprehensive income (loss), Pretax		$ (30.0)	$ (69.2)	$ (59.0)	$ (171.5)
Total other comprehensive income (loss), Net of Tax		(26.2)	(40.1)	(45.4)	(107.7)
Available-for-Sale Securities
Additions to and reclassifications out of Accumulated other comprehensive income
Other comprehensive income (loss), before Reclassifications, Pretax		(9.9)	11.8	(34.2)	(6.4)
Reclassification of (gains) losses into net earnings, Pretax	[1]	0.0	(86.9)	(1.9)	(160.9)
Total other comprehensive income (loss), Pretax		(9.9)	(75.1)	(36.1)	(167.3)
Other comprehensive income (loss), before Reclassifications, Net of Tax		(6.1)	8.4	(21.2)	(3.8)
Reclassification of (gains) losses into net earnings, Net of Tax	[1]	0.0	(54.5)	(1.2)	(99.7)
Total other comprehensive income (loss), Net of Tax		(6.1)	(46.1)	(22.4)	(103.5)
Cash Flow Hedges
Additions to and reclassifications out of Accumulated other comprehensive income
Other comprehensive income (loss), before Reclassifications, Pretax		0.0	(0.1)	0.5	0.0
Total other comprehensive income (loss), Pretax		(0.1)	0.0	0.3	0.2
Other comprehensive income (loss), before Reclassifications, Net of Tax		0.0	0.0	0.3	0.0
Total other comprehensive income (loss), Net of Tax		0.0	0.1	0.2	0.2
Cash Flow Hedges | Foreign Currency Contracts
Additions to and reclassifications out of Accumulated other comprehensive income
Reclassification of (gains) losses into net earnings, Pretax	[2]	(0.1)	0.1	(0.2)	0.2
Reclassification of (gains) losses into net earnings, Net of Tax	[2]	0.0	0.1	(0.1)	0.2
Cumulative Translation Adjustments
Additions to and reclassifications out of Accumulated other comprehensive income
Total other comprehensive income (loss), Pretax	[3]	(20.0)	5.9	(23.2)	(4.4)
Total other comprehensive income (loss), Net of Tax	[3]	$ (20.1)	$ 5.9	$ (23.2)	$ (4.4)

[1] Realized gains and losses on available-for-sale securities are recognized in Other income, net on the Condensed Consolidated Statement of Income.

[2] Reclassification to net earnings of foreign currency cash flow hedges are recognized in Costs and expenses on the Condensed Consolidated Statement of Income.

[3] Cumulative translation adjustments are inclusive of amounts derived from assets and liabilities held for sale.