Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Calculation of basic and diluted earnings per share

Basic and diluted earnings per share were calculated as follows, for each period presented:

	Quarter Ended				Six Months Ended
	June 30,				June 30,
	2014		2013		2014		2013
Numerator:
Net income	$	24.5	$	18.6	$	40.3	$	52.1
Denominator — Weighted-average common shares outstanding (in thousands):
Basic1	17,841		18,742		17,889		19,027
Add: dilutive effect of non-vested common shares, restricted stock units and performance shares	112		112		133		135
Add: dilutive effect of warrants	505		91		490		94
Diluted2	18,458		18,945		18,512		19,256
Earnings per common share, Basic:
Net income per share	$	1.38	$	0.99	$	2.25	$	2.73
Earnings per common share, Diluted:
Net income per share	$	1.33	$	0.98	$	2.18	$	2.70

______________________

¹  The basic weighted-average number of common shares outstanding during the period excludes non-vested common shares, restricted stock units, performance shares and market-based shares.

²  The diluted weighted-average number of common shares outstanding during the periods were calculated using the treasury method.