Condensed Consolidating Financial Statements (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Condensed, Consolidating Statement of Comprehensive Income
Net earnings	$ 235.9us-gaap_ProfitLoss	$ 720.4us-gaap_ProfitLoss
Other comprehensive income (losses)	(80.5)	(9.4)
Comprehensive income	155.4	711.0
Less: Comprehensive income attributable to noncontrolling interest	5.3	11.9
Comprehensive income attributable to common stockholders	150.1us-gaap_ComprehensiveIncomeNetOfTax	699.1us-gaap_ComprehensiveIncomeNetOfTax
Reportable legal entities \| Parent
Condensed, Consolidating Statement of Comprehensive Income
Net earnings	230.6	708.5
Other comprehensive income (losses)	(80.5)	(9.4)
Comprehensive income	150.1	699.1
Comprehensive income attributable to common stockholders	150.1	699.1
Reportable legal entities \| CFI
Condensed, Consolidating Statement of Comprehensive Income
Net earnings	231.1	709.0
Other comprehensive income (losses)	(80.5)	(9.4)
Comprehensive income	150.6	699.6
Comprehensive income attributable to common stockholders	150.6	699.6
Reportable legal entities \| Other Subsidiaries
Condensed, Consolidating Statement of Comprehensive Income
Net earnings	276.0	163.2
Other comprehensive income (losses)	(80.5)	(9.4)
Comprehensive income	195.5	153.8
Less: Comprehensive income attributable to noncontrolling interest	5.3	11.9
Comprehensive income attributable to common stockholders	190.2	141.9
Eliminations
Condensed, Consolidating Statement of Comprehensive Income
Net earnings	(501.8)	(860.3)
Other comprehensive income (losses)	161.0	18.8
Comprehensive income	(340.8)	(841.5)
Less: Comprehensive income attributable to noncontrolling interest	0	0
Comprehensive income attributable to common stockholders	$ (340.8)	$ (841.5)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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