Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

	For the three months ended Sept. 30,						For the nine months ended Sept. 30,
(millions, except per share amounts)	2013			2012			2013			2012
Basic earnings per share
Net income from continuing operations	$	62.9		$	90.2		$	155.7		$	200.4
Amount allocated to nonvested participating shareholders		(0.2	)		(0.3	)		(0.5	)		(0.7	)
Income before discontinued operations available to common shareholders - Basic	$	62.7		$	89.9		$	155.2		$	199.7
(Loss) Income from discontinued operations attributable to TECO Energy, net	($	0.1	)	($	46.2	)	$	0.0		($	32.8	)
Amount allocated to nonvested participating shareholders		0.0			0.1			0.0			0.1
(Loss) Income from discontinued operations attributable to TECO Energy available to common shareholders - Basic	($	0.1	)	($	46.1	)	$	0.0		($	32.7	)
Net income attributable to TECO Energy	$	62.8		$	44.0		$	155.7		$	167.6
Amount allocated to nonvested participating shareholders		(0.2	)		(0.2	)		(0.5	)		(0.6	)
Net income attributable to TECO Energy available to common shareholders - Basic	$	62.6		$	43.8		$	155.2		$	167.0
Average common shares outstanding - Basic		215.2			214.5			214.9			214.2
Earnings per share from continuing operations available to common shareholders - Basic	$	0.29		$	0.42		$	0.72		$	0.93
Earnings per share from discontinued operations attributable to TECO Energy available to common shareholders - Basic	$	0.00		($	0.22	)	$	0.00		($	0.15	)
Earnings per share attributable to TECO Energy available to common shareholders - Basic	$	0.29		$	0.20		$	0.72		$	0.78
Diluted earnings per share
Net income from continuing operations	$	62.9		$	90.2		$	155.7		$	200.4
Amount allocated to nonvested participating shareholders		(0.2	)		(0.3	)		(0.5	)		(0.7	)
Income before discontinued operations available to common shareholders - Diluted	$	62.7		$	89.9		$	155.2		$	199.7
(Loss) Income from discontinued operations attributable to TECO Energy, net	($	0.1	)	($	46.2	)	$	0.0		($	32.8	)
Amount allocated to nonvested participating shareholders		0.0			0.1			0.0			0.1
(Loss) Income from discontinued operations attributable to TECO Energy available to common shareholders - Diluted	($	0.1	)	($	46.1	)	$	0.0		($	32.7	)
Net income attributable to TECO Energy	$	62.8		$	44.0		$	155.7		$	167.6
Amount allocated to nonvested participating shareholders		(0.2	)		(0.2	)		(0.5	)		(0.6	)
Net income attributable to TECO Energy available to common shareholders - Diluted	$	62.6		$	43.8		$	155.2		$	167.0
Unadjusted average common shares outstanding - Diluted		215.2			214.5			214.9			214.2
Assumed conversion of stock options, unvested restricted stock and contingent performance shares, net		0.4			0.9			0.5			1.1
Average common shares outstanding - Diluted		215.6			215.4			215.4			215.3
Earnings per share from continuing operations available to common shareholders - Diluted	$	0.29		$	0.42		$	0.72		$	0.93
Earnings per share from discontinued operations attributable to TECO Energy available to common shareholders - Diluted	$	0.00		($	0.22	)	$	0.00		($	0.15	)
Earnings per share attributable to TECO Energy available to common shareholders - Diluted	$	0.29		$	0.20		$	0.72		$	0.78
Anti-dilutive shares		0.0			0.0			0.0			0.6