Income Taxes (Schedule of Components of Income Tax Provision) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Income tax provision (benefit), Federal, current	$ 218.1us-gaap_CurrentFederalTaxExpenseBenefit	$ 89.5us-gaap_CurrentFederalTaxExpenseBenefit	$ 167.2us-gaap_CurrentFederalTaxExpenseBenefit
Income tax provision (benefit), Federal, deferred	(147.5)	(41.1)	(30.1)
Income tax provision (benefit), Federal	70.6	48.4	137.1
Income tax provision (benefit), State and Puerto Rico, current	33.8	18.0	27.8
Income tax provision (benefit), State and Puerto Rico, deferred	(1.6)	(1.9)	(8.1)
Income tax provision (benefit), State and Puerto Rico	32.2	16.1	19.7
Income tax provision (benefit), Foreign, current	104.6us-gaap_CurrentForeignTaxExpenseBenefit	100.4us-gaap_CurrentForeignTaxExpenseBenefit	75.4us-gaap_CurrentForeignTaxExpenseBenefit
Income tax provision (benefit), Foreign, deferred	(166.0)	(44.1)	(71.0)
Income tax provision (benefit), Foreign	(61.4)	56.3	4.4
Income tax provision	41.4us-gaap_IncomeTaxExpenseBenefit	120.8us-gaap_IncomeTaxExpenseBenefit	161.2us-gaap_IncomeTaxExpenseBenefit
Earnings (loss) before income taxes and noncontrolling interest:
Earnings before income taxes and noncontrolling interest, domestic	679.2	513.8	690.7
Earnings before income taxes and noncontrolling interest, foreign	295.3	233.5	113.5
Earnings before income taxes and noncontrolling interest	$ 974.5	$ 747.3	$ 804.2

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current and deferred foreign income tax expense (benefit) attributable to income (loss) from continuing operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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