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Employee and Retiree Benefits (Tables) | 3 Months Ended
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Nov. 25, 2017
Retirement Benefits [Abstract] |
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] | Deferred compensation liabilities are as follows:
(In thousands) |  | November 25, 2017 |  | August 26, 2017
Non-qualified deferred compensation |  | $ | 16,093 |  |  | $ | 16,476 |
Executive share option plan liability |  | 1,540 |  |  | 1,498 |
SERP benefit liability |  | 2,549 |  |  | 2,534 |
Executive deferred compensation |  | 470 |  |  | 447 |
Officer stock-based compensation |  | 2,937 |  |  | 1,664 |
Total deferred compensation |  | 23,589 |  |  | 22,619 |
Less current portion |  | (4,195 | ) |  | (3,349 | )
Long-term deferred compensation |  | $ | 19,394 |  |  | $ | 19,270 |
Schedule of Postretirement Plan Amendments [Table Text Block] | As a result of these amendments, our liability for postretirement health care was reduced as presented in the following table.
Date | Event |  | Dollar Cap Reduction | Liability Reduction (In thousands) | Amortization Period(1)
January 2016 | Reduced employer dollar caps for retirees under age 65; discontinued retiree benefits for retirees age 65 and over |  | 10% | 28,596 |  | 6.9 | years
January 2017 (2) | Terminated plan |  |  | 6,338 |  | 0.2 | years
(1) Plan amendments were amortized on a straight-line basis over the expected remaining service period of active plan participants. (2) In accordance with ASC 715, the effects of the plan amendment are accounted for at the date the amendment is adopted and has been communicated to plan participants. The effective date for this plan amendment was October 26, 2016.
Schedule of Net Benefit Costs [Table Text Block] | Net periodic postretirement benefit income consisted of the following components:
|  | Three Months Ended
(In thousands) |  | November 25, 2017 |  | November 26, 2016
Interest cost |  | $ | — |  |  | $ | 29 |
Service cost |  | — |  |  | 16 |
Amortization of prior service benefit |  | — |  |  | (20,772 | )
Amortization of net actuarial loss |  | — |  |  | 7,959 |
Net periodic postretirement benefit income |  | $ | — |  |  | $ | (12,768 | )
Payments for postretirement health care |  | $ | — |  |  | $ | 53 |

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- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Schedule of Postretirement Plan Amendments [Table Text Block] + References No definition available. + Details
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