Total profit (loss)

No definition available.

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- Definition

The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228

+ Details

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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

+ Details

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- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

+ References

No definition available.

+ Details

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- Definition

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

-Article 5

+ Details

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Business Segment Information (Schedule Of Financial Information About Business Segments) (Details) (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
Segment Reporting Information [Line Items]
Revenues	$ 322,757us-gaap_Revenues	$ 322,047us-gaap_Revenues	$ 318,815us-gaap_Revenues	$ 302,386us-gaap_Revenues	$ 299,024us-gaap_Revenues	$ 280,655us-gaap_Revenues	$ 274,574us-gaap_Revenues	$ 271,879us-gaap_Revenues	$ 1,266,005us-gaap_Revenues	$ 1,126,132us-gaap_Revenues	$ 992,522us-gaap_Revenues
Expenses									864,332us-gaap_OperatingCostsAndExpenses	824,279us-gaap_OperatingCostsAndExpenses	736,172us-gaap_OperatingCostsAndExpenses
Operating profit (loss)									401,673us-gaap_GrossProfit	301,853us-gaap_GrossProfit	256,350us-gaap_GrossProfit
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal									5,582	22,112
Total Profit (Loss)									407,255seic_TotalProfitLoss	323,965seic_TotalProfitLoss
Private Banks [Member]
Segment Reporting Information [Line Items]
Revenues									441,467	397,138	364,788
Expenses									399,620	392,399	357,001
Operating profit (loss)									41,847	4,739	7,787
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal									5,582	22,112
Total Profit (Loss)									47,429	26,851
Investment Advisors [Member]
Segment Reporting Information [Line Items]
Revenues									283,811	241,252	202,703
Expenses									146,500	133,962	120,146
Operating profit (loss)									137,311	107,290	82,557
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal									0	0
Total Profit (Loss)									137,311	107,290
Institutional Investors [Member]
Segment Reporting Information [Line Items]
Revenues									284,677	257,658	227,889
Expenses									140,659	133,218	116,546
Operating profit (loss)									144,018	124,440	111,343
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal									0	0
Total Profit (Loss)									144,018	124,440
Investment Managers [Member]
Segment Reporting Information [Line Items]
Revenues									251,310	226,081	193,484
Expenses									159,176	148,977	127,525
Operating profit (loss)									92,134	77,104	65,959
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal									0	0
Total Profit (Loss)									92,134	77,104
Investments In New Businesses [Member]
Segment Reporting Information [Line Items]
Revenues									4,740	4,003	3,658
Expenses									18,377	15,723	14,954
Operating profit (loss)									(13,637)	(11,720)	(11,296)
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal									0	0
Total Profit (Loss)									$ (13,637)	$ (11,720)