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 June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Net income	$	42.5	$	36.7	$	93.9	$	66.0
Weighted average common shares outstanding for basic earnings per share computation	61,657,593		64,004,455		61,624,917		64,397,320
Dilutive effects of stock-based compensation	70,228		78,034		98,225		116,566
Weighted average common shares outstanding for diluted earnings per common share computation	61,727,821		64,082,489		61,723,142		64,513,886
Basic earnings per common share	$	0.69	$	0.57	$	1.52	$	1.02
Diluted earnings per common share	$	0.69	$	0.57	$	1.52	$	1.02
Anti-dilutive unvested time restricted stock	84,165		108,369		90,538		108,369