Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

The following is a summary of unaudited quarterly financial data for the years ended December 31, 2011 and 2010:

	2011
	Dec. 31,		Sept. 30,			Jun. 30,			Mar. 31,
	(in millions, except per share data)
Revenues	$	275.8	$	295.9		$	289.4		$	280.1
Operating income	37.1		37.5			22.0			32.1
Income (loss) from continuing operations	17.7		11.8			(5.2		)	5.9
Income (loss) from discontinued operations, net of taxes	7.3		(12.6		)	(23.9		)	(3.5		)
Net income (loss)	$	25.0	$	(0.8	)	$	(29.1	)	$	2.4
Per Share Data—Basic (a)
Income (loss) from continuing operations	$	0.28	$	0.19		$	(0.08	)	$	0.10
Income (loss) from discontinued operations, net of taxes	0.12		(0.20		)	(0.39		)	(0.06		)
Net income (loss)—basic	$	0.40	$	(0.01	)	$	(0.47	)	$	0.04
Per Share Data—Diluted (a)
Income (loss) from continuing operations	$	0.28	$	0.19		$	(0.08	)	$	0.10
Income (loss) from discontinued operations, net of taxes	0.12		(0.20		)	(0.39		)	(0.06		)
Net income (loss)—diluted	$	0.40	$	(0.01	)	$	(0.47	)	$	0.04

	2010
	Dec. 31,			Sept. 30,			Jun. 30,			Mar. 31,
	(in millions, except per share data)
Revenues	$	265.7		$	275.9		$	263.2		$	253.7
Operating income (loss)	18.7			23.5			(15.6		)	25.6
Income (loss) from continuing operations	(3.6		)	0.9			(40.7		)	2.5
Income (loss) from discontinued operations, net of taxes	(6.5		)	(1.7		)	(8.6		)	34.2
Net income (loss)	$	(10.1	)	$	(0.8	)	$	(49.3	)	$	36.7
Per Share Data—Basic (a)
Income (loss) from continuing operations	$	(0.05	)	$	0.02		$	(0.67	)	$	0.04
Income (loss) from discontinued operations, net of taxes	(0.11		)	(0.03		)	(0.14		)	0.57
Net income (loss)—basic	$	(0.16	)	$	(0.01	)	$	(0.81	)	$	0.61
Per Share Data—Diluted (a)
Income (loss) from continuing operations	$	(0.05	)	$	0.02		$	(0.67	)	$	0.04
Income (loss) from discontinued operations, net of taxes	(0.11		)	(0.03		)	(0.14		)	0.56
Net income (loss)—diluted	$	(0.16	)	$	(0.01	)	$	(0.81	)	$	0.60

(a) Net income (loss) per share calculations for each quarter is based on the weighted average number of shares outstanding during the respective periods; accordingly, the sum of the quarters may not equal the full-year income (loss) per share.