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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 5 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 09, 2019 | Feb. 10, 2018 | Nov. 18, 2017 | Feb. 09, 2019 | Feb. 10, 2018 | Aug. 25, 2019 | Aug. 25, 2018
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |
Effective tax rate | 17.80% | (74.70%) |  | 20.00% | 4.20% |  |
Tax cuts and jobs act of 2017 change in tax rate deferred tax expense benefit | $ 111.9 | $ 111.9 |  |  |  | $ 25.8 | $ 157.3
Effective income tax rate reconciliation, change in enacted tax rate, amount |  | 24.2 | $ 35.3 |  |  |  |
U.S. corporate income tax rate |  |  | 35.00% |  | 25.90% |  |
Income Tax Expense Benefit From Stock Option Exercises | 14.0 | $ 32.1 |  | $ 25.2 | $ 26.8 |  |
Tax benefits associated with Staff Accounting | $ 8.8 |  |  |  |  |  |

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- Definition Provisional amount of deferred tax expense (benefit) resulting from a change in the corporate tax rate due to the Tax Cuts and Job Act of 2017. + References No definition available. + Details
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- Definition Tax Cuts and Jobs Act of 2017, income tax expense (benefit) from staff accounting bulletin 118. + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84176650&loc=d3e32059-109318 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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