Condensed Consolidating Financial Statements (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net earnings	$ 1,923.4	$ 1,761.0	$ 440.7
Other comprehensive income (loss)	50.4	(46.6)	(8.7)
Comprehensive income	1,973.8	1,714.4	432.0
Less: Comprehensive income attributable to noncontrolling interest	75.4	221.2	92.9
Comprehensive income attributable to common stockholders	1,898.4	1,493.2	339.1
Condensed Consolidating Financial Information Relating to Shelf Registration Statement
Net earnings	1,923.4	1,761.0	440.7
Other comprehensive income (loss)	50.4	(46.6)	(8.7)
Comprehensive income	1,973.8	1,714.4	432.0
Less: Comprehensive income attributable to noncontrolling interest	75.4	221.2	92.9
Comprehensive income attributable to common stockholders	1,898.4	1,493.2	339.1
Parent | Condensed Consolidating Financial Information Relating to Senior Notes
Net earnings	1,848.7	1,539.2	349.2
Other comprehensive income (loss)	49.6	(45.9)	(10.1)
Comprehensive income	1,898.3	1,493.3	339.1
Comprehensive income attributable to common stockholders	1,898.3	1,493.3	339.1
Parent | Condensed Consolidating Financial Information Relating to Shelf Registration Statement
Net earnings	1,848.7	1,539.2	349.2
Other comprehensive income (loss)	49.6	(45.9)	(10.1)
Comprehensive income	1,898.3	1,493.3	339.1
Comprehensive income attributable to common stockholders	1,898.3	1,493.3	339.1
CFI | Condensed Consolidating Financial Information Relating to Senior Notes
Net earnings	1,851.2	1,541.5	470.4
Other comprehensive income (loss)	49.6	(45.9)	(10.1)
Comprehensive income	1,900.8	1,495.6	460.3
Comprehensive income attributable to common stockholders	1,900.8	1,495.6	460.3
CFI | Condensed Consolidating Financial Information Relating to Shelf Registration Statement
Net earnings	1,851.2	1,541.5	470.4
Other comprehensive income (loss)	49.6	(45.9)	(10.1)
Comprehensive income	1,900.8	1,495.6	460.3
Comprehensive income attributable to common stockholders	1,900.8	1,495.6	460.3
Subsidiaries | Condensed Consolidating Financial Information Relating to Senior Notes
Net earnings	874.8	1,141.9	425.4
Other comprehensive income (loss)	23.6	(37.4)	18.5
Comprehensive income	898.4	1,104.5	443.9
Less: Comprehensive income attributable to noncontrolling interest	82.0	523.1	233.9
Comprehensive income attributable to common stockholders	816.4	581.4	210.0
Guarantor Subsidiaries | Condensed Consolidating Financial Information Relating to Shelf Registration Statement
Net earnings	868.3	678.5	200.2
Other comprehensive income (loss)	28.5	(32.9)	19.8
Comprehensive income	896.8	645.6	220.0
Less: Comprehensive income attributable to noncontrolling interest	71.2	67.7	15.7
Comprehensive income attributable to common stockholders	825.6	577.9	204.3
Non-Guarantor Subsidiaries | Condensed Consolidating Financial Information Relating to Shelf Registration Statement
Net earnings	738.9	1,100.0	391.6
Other comprehensive income (loss)	60.8	(27.2)	18.5
Comprehensive income	799.7	1,072.8	410.1
Less: Comprehensive income attributable to noncontrolling interest	10.8	455.4	218.1
Comprehensive income attributable to common stockholders	788.9	617.4	192.0
Eliminations | Condensed Consolidating Financial Information Relating to Senior Notes
Net earnings	(2,651.3)	(2,461.6)	(804.3)
Other comprehensive income (loss)	(72.4)	82.6	(7.0)
Comprehensive income	(2,723.7)	(2,379.0)	(811.3)
Less: Comprehensive income attributable to noncontrolling interest	(6.6)	(301.9)	(141.0)
Comprehensive income attributable to common stockholders	(2,717.1)	(2,077.1)	(670.3)
Eliminations | Condensed Consolidating Financial Information Relating to Shelf Registration Statement
Net earnings	(3,383.7)	(3,098.2)	(970.7)
Other comprehensive income (loss)	(138.1)	105.3	(26.8)
Comprehensive income	(3,521.8)	(2,992.9)	(997.5)
Less: Comprehensive income attributable to noncontrolling interest	(6.6)	(301.9)	(140.9)
Comprehensive income attributable to common stockholders	$ (3,515.2)	$ (2,691.0)	$ (856.6)