Concentration of Risk and Segment Data (Segment Revenue) (Details 2) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	$ 4,358,641	$ 3,785,875	$ 13,218,382	$ 11,705,901
EMS
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	2,741,910	2,641,344	8,001,299	7,877,554
DMS
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	$ 1,616,731	$ 1,144,531	$ 5,217,083	$ 3,828,347

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration