Earnings per Common Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings per Share

The following table sets forth the computation of basic and diluted earnings per share for the three month periods ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019		2018
Net income	$	41.6	$	36.7
Weighted average common shares outstanding for basic earnings per share computation	60,311,171		56,241,201
Dilutive effects of stock-based compensation	286,899		410,977
Weighted average common shares outstanding for diluted earnings per common share computation	60,598,070		56,652,178
Basic earnings per common share	$	0.69	$	0.65
Diluted earnings per common share	$	0.69	$	0.65
Anti-dilutive unvested time restricted stock	121,452		139,943