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Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands | 4 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 25, 2018 | Aug. 25, 2018 | Aug. 26, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance |  | $ (1,428,377) | $ (1,787,538)
Balance | $ (1,520,355) | (1,520,355) | (1,428,377)
Adoption of ASU 2018-02 |  | 14,489 |
Accounting Standards Update 2018-02 [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Adoption of ASU 2018-02 | 14,489 |  |
Pension Liability [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance |  | (72,376) | (88,890)
Other comprehensive income (loss) before reclassifications |  | 77,774 | 8,046
Amounts reclassified from Accumulated other comprehensive loss |  | 7,724 | 8,468
Balance |  |  | (72,376)
Pension Liability [Member] | Accounting Standards Update 2018-02 [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Adoption of ASU 2018-02 |  | (13,122) |
Net Unrealized Gain (Loss) on Securities [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance |  | (11) | 120
Other comprehensive income (loss) before reclassifications |  | (800) | (60)
Amounts reclassified from Accumulated other comprehensive loss |  | (62) | (71)
Balance | (873) | (873) | (11)
Derivatives [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance |  | (6,356) | (7,747)
Amounts reclassified from Accumulated other comprehensive loss |  | 1,690 | 1,391
Balance | (6,033) | (6,033) | (6,356)
Derivatives [Member] | Accounting Standards Update 2018-02 [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Adoption of ASU 2018-02 |  | (1,367) |
Foreign Currency [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance |  | (175,814) | (211,012)
Other comprehensive income (loss) before reclassifications |  | (53,085) | 35,198
Balance | (228,899) | (228,899) | (175,814)
Accumulated Other Comprehensive Loss [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Balance |  | (254,557) | (307,529)
Other comprehensive income (loss) before reclassifications |  | 23,889 | 43,184
Amounts reclassified from Accumulated other comprehensive loss |  | 9,352 | 9,788
Balance | $ (235,805) | (235,805) | $ (254,557)
Accumulated Other Comprehensive Loss [Member] | Accounting Standards Update 2018-02 [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Adoption of ASU 2018-02 |  | $ (14,489) |

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- Definition Amount of increase (decrease) in accumulated other comprehensive income (AOCI) for reclassification to retained earnings of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
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