CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Parking services revenue:
Lease contracts	$ 129,004	$ 122,771	$ 370,597	$ 367,088
Management contracts	77,878	77,681	252,764	256,435
Total parking services revenue	206,882	200,452	623,361	623,523
Reimbursed management contract revenue	173,405	154,858	507,122	472,737
Total revenue	380,287	355,310	1,130,483	1,096,260
Cost of parking services:
Lease contracts	116,520	115,696	340,583	339,828
Management contracts	46,741	44,680	155,971	157,250
Total cost of parking services, gross	163,261	160,376	496,554	497,078
Reimbursed management contract expense	173,405	154,858	507,122	472,737
Total cost of parking services	336,666	315,234	1,003,676	969,815
Gross profit:
Lease contracts	12,484	7,075	30,014	27,260
Management contracts	31,137	33,001	96,793	99,185
Total gross profit	43,621	40,076	126,807	126,445
General and administrative expenses	24,123	20,494	75,185	75,310
Depreciation and amortization	7,630	7,959	22,523	23,704
Operating income	11,868	11,623	29,099	27,431
Other expenses (income):
Interest expense	4,162	4,818	13,782	14,421
Interest income	(144)	(108)	(336)	(347)
Total other expenses (income)	4,018	4,710	13,446	14,074
Income before income taxes	7,850	6,913	15,653	13,357
Income tax provision (benefit)	2,763	2,448	(421)	4,359
Net income	5,087	4,465	16,074	8,998
Less: Net income attributable to noncontrolling interest	785	721	2,162	2,070
Net income attributable to SP Plus Corporation	$ 4,302	$ 3,744	$ 13,912	$ 6,928
Net income per share:
Basic (in dollars per share)	$ 0.20	$ 0.17	$ 0.63	$ 0.32
Diluted (in dollars per share)	$ 0.19	$ 0.17	$ 0.62	$ 0.31
Weighted average shares outstanding:
Basic (in shares)	21,997,394	21,911,574	21,989,131	21,890,861
Diluted (in shares)	22,426,787	22,285,723	22,392,572	22,226,030