v2.4.1.9

Total Revenues Gross Profit and Long Lived Assets Excluding Long Term Deferred Tax Assets (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets
Total revenues	$ 148,871us-gaap_Revenues	$ 151,202us-gaap_Revenues	$ 141,853us-gaap_Revenues	$ 137,904us-gaap_Revenues	$ 165,881us-gaap_Revenues	$ 141,919us-gaap_Revenues	$ 137,905us-gaap_Revenues	$ 130,183us-gaap_Revenues	$ 579,830us-gaap_Revenues	$ 575,888us-gaap_Revenues	$ 565,724us-gaap_Revenues
Gross profit	117,236us-gaap_GrossProfit	116,249us-gaap_GrossProfit	106,240us-gaap_GrossProfit	104,895us-gaap_GrossProfit	132,912us-gaap_GrossProfit	108,666us-gaap_GrossProfit	101,459us-gaap_GrossProfit	94,282us-gaap_GrossProfit	444,620us-gaap_GrossProfit	437,319us-gaap_GrossProfit	424,648us-gaap_GrossProfit
Long-lived assets	95,272us-gaap_NoncurrentAssets				102,362us-gaap_NoncurrentAssets				95,272us-gaap_NoncurrentAssets	102,362us-gaap_NoncurrentAssets
Domestic
Revenues from External Customers and Long-Lived Assets
Total revenues									341,692us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember	343,073us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember	326,333us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember
Gross profit									261,459us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember	261,134us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember	241,440us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember
Long-lived assets	85,504us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember				89,342us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember				85,504us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember	89,342us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember
EMEA
Revenues from External Customers and Long-Lived Assets
Total revenues									176,774us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember	169,194us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember	177,543us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember
Gross profit									131,790us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember	123,373us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember	133,986us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember
Long-lived assets	5,690us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember				7,111us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember				5,690us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember	7,111us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EMEAMember
Other Regions
Revenues from External Customers and Long-Lived Assets
Total revenues									61,364us-gaap_Revenues / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember	63,621us-gaap_Revenues / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember	61,848us-gaap_Revenues / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember
Gross profit									51,371us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember	52,812us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember	49,222us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember
Long-lived assets	$ 4,078us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember				$ 5,909us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember				$ 4,078us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember	$ 5,909us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = mstr_OtherRegionsMember

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1,2)

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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

-Subparagraph (b)

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

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