Quarterly Data (unaudited)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Quarterly Data (unaudited)

22. Quarterly Data (unaudited)

Financial data by quarter is as follows:

(millions, except per share amounts)
Quarter ended	Dec. 31		Sept. 30		June 30		Mar. 31
2015
Revenues	$	676.1	$	693.8	$	680.6	$	693.0
Income from operations		126.0		146.6		143.3		146.2
Net income from continuing operations		51.0		64.9		61.5		63.8
Net income		50.5		53.2		11.8		58.0
EPS—Basic
Net income from continuing operations	$	0.22	$	0.28	$	0.26	$	0.27
Net income		0.21		0.23		0.05		0.25
EPS—Diluted
Net income from continuing operations	$	0.22	$	0.28	$	0.26	$	0.27
Net income		0.21		0.23		0.05		0.25
Dividends paid per common share outstanding	$	0.225	$	0.225	$	0.225	$	0.225
Quarter ended	Dec. 31		Sept. 30		June 30		Mar. 31
2014
Revenues	$	695.5	$	687.2	$	605.7	$	578.0
Income from operations		112.1		145.7		132.0		115.6
Net income from continuing operations		27.4		73.0		57.6		48.4
Net income		10.8		11.1		58.4		50.1
EPS—Basic
Net income from continuing operations	$	0.11	$	0.32	$	0.27	$	0.22
Net income		0.04		0.04		0.27		0.23
EPS—Diluted
Net income from continuing operations	$	0.11	$	0.32	$	0.27	$	0.22
Net income		0.04		0.04		0.27		0.23
Dividends paid per common share outstanding	$	0.220	$	0.220	$	0.220	$	0.220

Amounts shown include reclassifications to reflect discontinued operations as discussed in Note 19.