Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

	For the three months ended Mar. 31,
(millions, except per share amounts)	2016			2015
Basic earnings per share
Net income from continuing operations	$	73.7		$	63.8
Amount allocated to nonvested participating shareholders		(0.1	)		(0.2	)
Income before discontinued operations available to    common shareholders - Basic	$	73.6		$	63.6
Income (loss) from discontinued operations, net	$	0.1		$	(5.8	)
Amount allocated to nonvested participating shareholders		0.0			0.0
Income (loss) from discontinued operations available to    common shareholders - Basic	$	0.1		$	(5.8	)
Net income	$	73.8		$	58.0
Amount allocated to nonvested participating shareholders		(0.1	)		(0.2	)
Net income available to common shareholders - Basic	$	73.7		$	57.8
Average common shares outstanding - Basic		234.0			232.8
Earnings per share from continuing operations available to    common shareholders - Basic	$	0.31		$	0.27
Earnings per share from discontinued operations available to    common shareholders - Basic		0.0		$	(0.02	)
Earnings per share available to common shareholders - Basic	$	0.31		$	0.25
Diluted earnings per share
Net income from continuing operations	$	73.7		$	63.8
Amount allocated to nonvested participating shareholders		(0.1	)		(0.2	)
Income before discontinued operations available to    common shareholders - Diluted	$	73.6		$	63.6
Income (loss) from discontinued operations, net	$	0.1		$	(5.8	)
Amount allocated to nonvested participating shareholders		0.0			0.0
Income (loss) from discontinued operations available to    common shareholders - Diluted	$	0.1		$	(5.8	)
Net income	$	73.8		$	58.0
Amount allocated to nonvested participating shareholders		(0.1	)		(0.2	)
Net income available to common shareholders - Diluted	$	73.7		$	57.8
Unadjusted average common shares outstanding - Diluted		234.0			232.8
Assumed conversion of stock options, unvested restricted stock,    unvested RSUs and contingent performance shares, net		1.2			0.7
Average common shares outstanding - Diluted		235.2			233.5
Earnings per share from continuing operations available to    common shareholders - Diluted	$	0.31		$	0.27
Earnings per share from discontinued operations available to    common shareholders - Diluted		0.0		$	(0.02	)
Earnings per share available to common shareholders - Diluted	$	0.31		$	0.25
Anti-dilutive shares		0.2			0.1