Business Unit Segment Information (Tables)

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Summary of revenues (excluding reimbursed management contract revenue) and gross profit by regions

The following is a summary of revenues (excluding reimbursed management contract revenue) and gross profit by regions for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended										Six Months Ended
(millions) (unaudited)	June 30, 2017			Gross Margin %		June 30, 2016			Gross Margin %		June 30, 2017			Gross Margin %		June 30, 2016			Gross Margin %
Parking Services Revenue
Region One
Lease contracts	$	117.4				$	103.9				$	217.1				$	211.8
Management contracts	59.3					60.0					127.6					124.5
Total Region One	176.7					163.9					344.7					336.3
Region Two
Lease contracts	33.5					31.9					64.6					62.4
Management contracts	22.6					24.3					44.2					48.4
Total Region Two	56.1					56.2					108.8					110.8
Other
Lease contracts	—					(0.1		)			—					—
Management contracts	2.1					2.4					4.3					5.0
Total Other	2.1					2.3					4.3					5.0
Reimbursed management contract revenue	180.5					180.2					372.1					348.1
Total Parking Services Revenue	$	415.4				$	402.6				$	829.9				$	800.2
Gross Profit
Region One
Lease contracts	$	17.9		15	%	$	9.9		10	%	$	21.1		10	%	$	16.5		8	%
Management contracts	24.6			41	%	24.1			40	%	49.5			39	%	46.4			37	%
Total Region One	42.5					34.0					70.6					62.9
Region Two
Lease contracts	2.0			6	%	1.8			6	%	3.3			5	%	2.5			4	%
Management contracts	7.2			32	%	7.4			30	%	13.3			30	%	11.7			24	%
Total Region Two	9.2					9.2					16.6					14.2
Other
Lease contracts	0.8			—	%	—			—	%	1.3			—	%	0.6			—	%
Management contracts	5.0			238	%	3.8			158	%	9.5			221	%	7.7			154	%
Total Other	5.8					3.8					10.8					8.3
Total gross profit	$	57.5				$	47.0				$	98.0				$	85.4
General and administrative expenses	22.5					22.1					43.7					46.7
General and administrative expense percentage of gross profit	39		%			47		%			45		%			55		%
Depreciation and amortization	4.8					9.8					11.4					19.0
Operating income	30.2					15.1					42.9					19.7
Other expenses (income)
Interest expense	2.3					2.6					4.9					5.4
Interest income	(0.2		)			(0.1		)			(0.3		)			(0.3		)
Equity in losses from investment in unconsolidated entity	0.2					0.3					0.4					0.8
Total other expenses (income)	2.2					2.8					4.9					5.9
Earnings before income taxes	28.0					12.3					38.0					13.8
Income tax expense	10.7					4.9					14.0					5.8
Net income	17.3					7.4					24.0					8.0
Less: Net income attributable to noncontrolling interest	1.1					0.9					1.8					1.5
Net income attributable to SP Plus Corporation	$	16.2				$	6.5				$	22.2				$	6.5