Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 17.9	$ 13.9
Accounts and notes receivable, net	121.3	111.2
Prepaid expenses and other current assets	36.9	26.8
Total current assets	176.1	151.9
Leasehold improvements, equipment and construction in progress, net	49.0	53.3
Right-of-use assets	191.9	235.1
Goodwill	526.6	526.6
Other intangible assets, net	56.6	63.1
Deferred taxes	51.8	63.8
Other noncurrent assets, net	46.2	43.9
Total noncurrent assets	922.1	985.8
Total assets	1,098.2	1,137.7
Liabilities and stockholders’ equity
Accounts payable	109.9	97.8
Accrued and other current liabilities	100.0	112.7
Short-term lease liabilities	73.9	82.1
Current portion of long-term borrowings	25.8	25.0
Total current liabilities	309.6	317.6
Long-term borrowings, excluding current portion	320.7	337.1
Long-term lease liabilities	193.9	243.4
Other noncurrent liabilities	62.7	58.2
Total noncurrent liabilities	577.3	638.7
Total liabilities	886.9	956.3
Stockholders’ equity
Preferred stock, par value $0.01 per share; 5,000,000 shares authorized as of September 30, 2021 and December 31, 2020, 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 September 30, 2021 and December 31, 2020; 25,257,606 and 23,222,864 shares issued and outstanding as of September 30, 2021, respectively, and 25,123,128 and 23,088,386 shares issued and outstanding as of December 31, 2020, respectively	0.0	0.0
Treasury stock, at cost; 2,034,742 shares as of September 30, 2021 and December 31, 2020	(70.6)	(70.6)
Additional paid-in capital	265.9	261.4
Accumulated other comprehensive loss	(3.2)	(4.4)
Retained earnings (accumulated deficit)	19.5	(3.3)
Total SP Plus Corporation stockholders’ equity	211.6	183.1
Noncontrolling interest	(0.3)	(1.7)
Total stockholders’ equity	211.3	181.4
Total liabilities and stockholders’ equity	$ 1,098.2	$ 1,137.7