Net Income per Common Share (Tables)

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Net Income per Common Share and Reconciliation of Weighted Average Shares

Basic and diluted net income per common share and a reconciliation of the weighted average basic common shares outstanding to the weighted average diluted common shares outstanding during the three and nine months ended September 30, 2022 and 2021 (unaudited) was as follows:

	Three Months Ended				Nine Months Ended
(millions, except share and per share data)	September 30, 2022		September 30, 2021		September 30, 2022		September 30, 2021
Net income attributable to SP Plus Corporation	$	14.3	$	11.5	$	40.4	$	22.8
Basic weighted average common shares outstanding		20,744,813		21,184,583		21,054,095		21,158,667
Dilutive impact of share-based awards		232,854		215,803		169,887		206,615
Diluted weighted average common shares outstanding		20,977,667		21,400,386		21,223,982		21,365,282
Net income per common share
Basic	$	0.69	$	0.54	$	1.92	$	1.08
Diluted	$	0.68	$	0.54	$	1.90	$	1.07