Earnings per Common Share (Tables)

6 Months Ended

Jun. 30, 2020

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 and nine month periods ended September 30, 2020 and 2019:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Net income	$	48.3	$	49.1	$	114.3	$	128.6
Weighted average common shares outstanding for basic earnings per share computation	63,764,474		64,832,324		64,184,832		63,232,575
Dilutive effects of stock-based compensation	96,983		211,162		110,693		238,708
Weighted average common shares outstanding for diluted earnings per common share computation	63,861,457		65,043,486		64,295,525		63,471,283
Basic earnings per common share	$	0.76	$	0.76	$	1.78	$	2.03
Diluted earnings per common share	$	0.76	$	0.76	$	1.78	$	2.03
Anti-dilutive unvested time restricted stock	68,397		4,808		73,633		5,569