XML 40 R44.htm IDEA: XBRL DOCUMENT v2.4.0.6

Property And Equipment (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Property And Equipment [Abstract]
Leasehold improvements reimbursed by lessors as lease incentives	$ 2.0	$ 0.7
Fixed assets written off	10.9

X

- Definition

Increase of leasehold improvements reimbursed by lessors during the period. These reimbursements were capitalized as leasehold improvements and a long-term liability established.

+ References

No definition available.

+ Details

Name:	stra_LeaseholdImprovementsReimbursedByLessorsAsLeaseIncentives
Namespace Prefix:	stra_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Voluntary or miscellaneous disclosures regarding retirement or disposition of long-lived assets through a method other than sale.

+ References

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section CC

-Subsection 3



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

Name:	us-gaap_RetirementOfTangibleAssetsOtherDescriptors
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration