Other Income (Tables)

6 Months Ended

Jun. 30, 2011

Other Income [Abstract]

Component of other income

	Three Months Ended June 30,					Six Months Ended June 30,
	2011			2010		2011			2010
Earnings (losses) on equity method investments	$	(0.6	)	$	0.8	$	(5.1	)	$	3.3
Gain on sale of securities		—			1.4		0.8			24.8
Other income		0.3			0.3		0.3			0.5
	$	(0.3	)	$	2.5	$	(4.0	)	$	28.6