Earnings per Common Share (Tables)

3 Months Ended

Mar. 31, 2021

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 periods presented:

	Three Months Ended March 31,
	2021		2020
Net income	$	51.4	$	29.3
Weighted average common shares outstanding for basic earnings per share computation	61,591,877		64,790,186
Dilutive effects of stock-based compensation	122,186		146,921
Weighted average common shares outstanding for diluted earnings per common share computation	61,714,063		64,937,107
Basic earnings per common share	$	0.83	$	0.45
Diluted earnings per common share	$	0.83	$	0.45
Anti-dilutive unvested time restricted stock	92,602		113,468