Summary Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2012

Dec. 31, 2011

Summary Quarterly Financial Information (Tables) [Abstract]

Summary of the unaudited quarterly results of operations

	Year Ended December 31, 2012
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In millions, except per share data)
Revenues	$	2,020.7	$	1,981.1	$	2,058.8	$	2,016.9
Operating profit (loss)	351.3		276.7		266.5		(722.0		)
Income (loss) from continuing operations, net of income taxes	183.0		214.5		122.9		(991.3		)
Net income (loss)	178.3		207.8		41.6		(1,002.8		)
Net income (loss) attributable to common stockholders	172.7		204.7		42.9		(1,006.0		)
Basic EPS — continuing operations(1)	$	0.65	$	0.78	$	0.46	$	(3.73	)
Diluted EPS — continuing operations(1)	0.65		0.78		0.46		(3.73		)
Weighted average shares used in calculating basic EPS	270.1		269.2		266.2		266.3
Weighted average shares used in calculating diluted EPS	270.9		269.8		266.8		266.3

⁽¹⁾  EPS for the quarters may not sum to the amounts for the year as each period is computed on a discrete basis.

	Year Ended December 31, 2011
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In millions, except per share data)
Revenues	$	1,723.8	$	1,961.7	$	1,980.6	$	2,229.8
Operating profit	312.6		479.4		385.5		418.2
Income from continuing operations, net of income taxes	193.6		306.5		291.2		221.5
Net income	178.7		292.2		281.4		194.0
Net income attributable to common stockholders	176.5		284.8		274.0		222.4
Basic EPS — continuing operations(1)	$	0.71	$	1.10	$	1.05	$	0.92
Diluted EPS — continuing operations(1)	0.70		1.10		1.04		0.92
Weighted average shares used in calculating basic EPS	268.9		269.0		269.2		269.3
Weighted average shares used in calculating diluted EPS	272.8		270.5		270.6		270.2

⁽¹⁾  EPS for the quarters may not sum to the amounts for the year as each period is computed on a discrete basis