Noncontrolling Interests (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Noncontrolling interest
Balance at the beginning of the period			$ 380.0	$ 385.9
Earnings attributable to noncontrolling interest	19.9	72.0	42.8	135.3
Declaration of distribution payable			(40.6)	(39.3)
Acquisition of noncontrolling interest in CFL			(16.8)
Effect of exchange rates changes			(0.6)	(1.1)
Balance at the end of the period	364.8	480.8	364.8	480.8
Distributions payable to noncontrolling interest:
Distribution payable to noncontrolling interest, balance at the beginning of the period			5.3	149.7
Declaration of distributions payable			40.6	39.3
Distributions to noncontrolling interest			(45.8)	(193.3)
Effect of exchange rate changes			(0.1)	4.3
CFL
Noncontrolling interest
Balance at the beginning of the period			17.4	16.7
Earnings attributable to noncontrolling interest			2.3	100.1
Declaration of distribution payable			(2.3)
Acquisition of noncontrolling interest in CFL			(16.8)
Effect of exchange rates changes			(0.6)	(1.1)
Balance at the end of the period		115.7		115.7
Distributions payable to noncontrolling interest:
Distribution payable to noncontrolling interest, balance at the beginning of the period			5.3	149.7
Declaration of distributions payable			2.3
Distributions to noncontrolling interest			(7.5)	(154.0)
Effect of exchange rate changes			(0.1)	4.3
TNCLP
Noncontrolling interest
Balance at the beginning of the period			362.6	369.2
Earnings attributable to noncontrolling interest			40.5	35.2
Declaration of distribution payable			(38.3)	(39.3)
Balance at the end of the period	364.8	365.1	364.8	365.1
Distributions payable to noncontrolling interest:
Declaration of distributions payable			38.3	39.3
Distributions to noncontrolling interest			$ (38.3)	$ (39.3)