Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 15.7	$ 13.9
Accounts and notes receivable, net	139.6	111.2
Prepaid expenses and other current assets	32.2	26.8
Total current assets	187.5	151.9
Leasehold improvements, equipment and construction in progress, net	48.9	53.3
Right-of-use assets	201.2	235.1
Goodwill	526.6	526.6
Other intangible assets, net	54.4	63.1
Deferred taxes	50.6	63.8
Other noncurrent assets, net	47.0	43.9
Total noncurrent assets	928.7	985.8
Total assets	1,116.2	1,137.7
Liabilities and stockholders' equity
Accounts payable	118.5	97.8
Accrued and other current liabilities	123.3	112.7
Short-term lease liabilities	65.4	82.1
Current portion of long-term borrowings	25.6	25.0
Total current liabilities	332.8	317.6
Long-term borrowings, excluding current portion	298.4	337.1
Long-term lease liabilities	200.3	243.4
Other noncurrent liabilities	62.6	58.2
Total noncurrent liabilities	561.3	638.7
Total liabilities	894.1	956.3
Stockholders' equity
Preferred Stock, par value $0.01 per share; 5,000,000 shares authorized as of December 31, 2021 and 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 December 31, 2021 and 2020; 25,259,201 and 23,224,459 shares issued and outstanding as of December 31, 2021, respectively, and 25,123,128 and 23,088,386 issued and outstanding as of December 31, 2020, respectively	0.0	0.0
Treasury stock at cost; 2,034,742 shares as of December 31, 2021 and 2020	(70.6)	(70.6)
Additional paid-in capital	267.5	261.4
Accumulated other comprehensive loss	(2.8)	(4.4)
Retained earnings (accumulated deficit)	28.4	(3.3)
Total SP Plus Corporation stockholders' equity	222.5	183.1
Noncontrolling interest	(0.4)	(1.7)
Total stockholders' equity	222.1	181.4
Total liabilities and stockholders' equity	$ 1,116.2	$ 1,137.7