Noncontrolling Interest (Tables)

12 Months Ended

Dec. 31, 2012

Noncontrolling Interest

Schedule of reconciliation of the beginning and ending balances of noncontrolling interest and distributions payable to the noncontrolling interests on the entity's consolidated balance sheet

	Year ended December 31,
	2012									2011									2010
	CFL			TNCLP			Total			CFL			TNCLP			Total			CFL			TNCLP			Total
	(in millions)
Noncontrolling interest:
Beginning balance	$	16.7		$	369.2		$	385.9		$	17.4		$	365.6		$	383.0		$	16.0		$	—		$	16.0
Terra acquistion		—			—			—			—			—			—			—			373.0			373.0
Earnings attributable to noncontrolling interest		3.5			71.2			74.7			154.0			67.8			221.8			75.8			15.7			91.5
Declaration of distributions payable		(5.3	)		(77.8	)		(83.1	)		(149.7	)		(64.2	)		(213.9	)		(78.0	)		(23.1	)		(101.1	)
Effect of exchange rate changes		2.5			—			2.5			(5.0	)		—			(5.0	)		3.6			—			3.6
Ending balance	$	17.4		$	362.6		$	380.0		$	16.7		$	369.2		$	385.9		$	17.4		$	365.6		$	383.0
Distributions payable to noncontrolling interest
Beginning balance	$	149.7		$	—		$	149.7		$	78.0		$	—		$	78.0		$	92.1		$	—		$	92.1
Declaration of distributions payable		5.3			77.8			83.1			149.7			64.2			213.9			78.0			23.1			101.1
Distributions to noncontrolling interest		(154.0	)		(77.8	)		(231.8	)		(81.5	)		(64.2	)		(145.7	)		(93.9	)		(23.1	)		(117.0	)
Effect of exchange rate changes		4.3			—			4.3			3.5			—			3.5			1.8			—			1.8
Ending balance	$	5.3		$	—		$	5.3		$	149.7		$	—		$	149.7		$	78.0		$	—		$	78.0