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Namespace Prefix:	stan_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the first level of employee contributions (percentage of compensation) which are matched by the employer.

+ References

No definition available.

+ Details

Name:	stan_DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne
Namespace Prefix:	stan_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the employer matching contribution of the second level of employee contributions.

+ References

No definition available.

+ Details

Name:	stan_DefinedContributionPlanEmployerMatchEmployeeContributionLevelTwo
Namespace Prefix:	stan_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the employer matching contribution of the first level of employee contributions.

+ References

No definition available.

+ Details

Name:	stan_DefinedContributionPlanEmployerMatchLevelOne
Namespace Prefix:	stan_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the first level of employee contributions (percentage of compensation) which are matched by the employer.

+ References

No definition available.

+ Details

Name:	stan_DefinedContributionPlanEmployerMatchLevelTwo
Namespace Prefix:	stan_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Benefit Plans (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Benefit Plans
Expenses related to the savings and retirement plan	$ 893	$ 988	$ 951
Savings and retirement plan
Benefit Plans
Employer match of first tier of employee contributions (as a percent)	50.00%
First tier percentage of compensation eligible for match by employer	4.00%
Central Parking defined contribution plan
Benefit Plans
Employer match of first tier of employee contributions (as a percent)	100.00%
Employer match of second tier of employee contributions (as a percent)	50.00%
Central Parking defined contribution plan \| Minimum
Benefit Plans
Second tier percentage of compensation eligible for match by employer	3.00%
Central Parking defined contribution plan \| Maximum
Benefit Plans
First tier percentage of compensation eligible for match by employer	3.00%
Second tier percentage of compensation eligible for match by employer	5.00%