Earnings per Common Share (Tables)

6 Months Ended

Jun. 30, 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 September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net income	$	47.1	$	48.3	$	141.0	$	114.3
Weighted average common shares outstanding for basic earnings per share computation	61,673,656		63,764,474		61,641,342		64,184,832
Dilutive effects of stock-based compensation	74,316		96,983		91,480		110,693
Weighted average common shares outstanding for diluted earnings per common share computation	61,747,972		63,861,457		61,732,822		64,295,525
Basic earnings per common share	$	0.76	$	0.76	$	2.29	$	1.78
Diluted earnings per common share	$	0.76	$	0.76	$	2.28	$	1.78
Anti-dilutive unvested time restricted stock	89,142		68,397		88,677		73,633