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Concentration of Risk and Segment Data - Segment Revenue and Income (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Nov. 30, 2018 | Nov. 30, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net revenue | $ 6,506,275 | $ 5,585,532
Reconciling items: |  |
Amortization of intangibles | (7,646) | (9,979)
Stock-based compensation expense and related charges | (17,249) | (52,745)
Restructuring and related charges | (6,025) | (11,388)
Other expense | (13,550) | (5,882)
Interest income | 4,379 | 3,813
Interest expense | (42,652) | (36,246)
Income before income tax | 164,887 | 107,439
Cayey, Puerto Rico |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Insurance recoveries | 2,900 | 10,300
EMS |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net revenue | 3,503,103 |
Reconciling items: |  |
Restructuring and related charges | (4,400) | (5,900)
DMS |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net revenue | 3,003,172 |
Reconciling items: |  |
Restructuring and related charges | (1,600) | (4,600)
Operating Segments |  |
Reconciling items: |  |
Income before income tax | 253,660 | 227,220
Operating Segments | EMS |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net revenue | 3,503,103 | 2,862,060
Reconciling items: |  |
Income before income tax | 84,095 | 85,710
Operating Segments | DMS |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net revenue | 3,003,172 | 2,723,472
Reconciling items: |  |
Income before income tax | 169,565 | 141,510
Segment Reconciling Items |  |
Reconciling items: |  |
Stock-based compensation expense and related charges | (17,249) | (52,745)
Acquisition and integration charges | (8,890) | 0
Business interruption and impairment charges, net(1) | $ 2,860 | $ (7,354)

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