Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 19.1	$ 12.4
Accounts receivable, net	180.5	167.7
Prepaid expenses and other current assets	12.6	16.7
Total current assets	212.2	196.8
Property and equipment, net	68.3	60.2
Right-of-use assets	179.4	166.9
Goodwill	544.6	543.2
Other intangible assets, net	59.7	68.9
Deferred income taxes	42.8	44.4
Other noncurrent assets	44.9	41.0
Total noncurrent assets	939.7	924.6
Total assets	1,151.9	1,121.4
Liabilities
Accounts payable	136.6	133.4
Accrued and other current liabilities	128.1	137.6
Short-term lease liabilities	56.2	60.2
Current portion of long-term borrowings	16.5	12.4
Total current liabilities	337.4	343.6
Long-term borrowings, excluding current portion	335.6	331.8
Long-term lease liabilities	158.0	158.5
Other noncurrent liabilities	70.2	61.8
Total noncurrent liabilities	563.8	552.1
Total liabilities	901.2	895.7
Stockholders' equity
Preferred Stock, par value $0.01 per share; 5,000,000 shares authorized as of December 31, 2023 and 2022, respectively; no shares issued or outstanding	0.0	0.0
Common stock, par value $0.001 per share; 50,000,000 shares authorized as of December 31, 2023 and 2022; 23,593,626 and 19,798,884 shares issued and outstanding as of December 31, 2023, respectively, and 23,276,329 and 19,767,287 shares issued and outstanding as of December 31, 2022, respectively	0.0	0.0
Treasury stock at cost; 3,794,742 and 3,509,042 shares as of December 31, 2023 and December 31, 2022, respectively	(130.5)	(120.0)
Additional paid-in capital	277.9	274.2
Accumulated other comprehensive loss	(1.3)	(1.8)
Retained earnings	104.7	73.6
Total SP Plus Corporation stockholders' equity	250.8	226.0
Noncontrolling interests	(0.1)	(0.3)
Total stockholders' equity	250.7	225.7
Total liabilities and stockholders' equity	$ 1,151.9	$ 1,121.4