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Employee and Retiree Benefits (Tables) | 12 Months Ended
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Aug. 25, 2018
Retirement Benefits [Abstract] |
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] | Deferred compensation benefits are as follows:
(In thousands) | August 25, 2018 |  | August 26, 2017
Non-qualified deferred compensation | $ | 14,831 |  |  | $ | 16,476 |
Supplemental executive retirement plan | 2,309 |  |  | 2,534 |
Executive share option plan | 935 |  |  | 1,498 |
Executive deferred compensation plan | 421 |  |  | 447 |
Officer stock-based compensation | 1,528 |  |  | 1,664 |
Total deferred compensation benefits | 20,024 |  |  | 22,619 |
Less: current portion(1) | (4,742 | ) |  | (3,349 | )
Long-term deferred compensation benefits | $ | 15,282 |  |  | $ | 19,270 |
(1) | Included in accrued compensation in the consolidated balance sheets.
Schedule of Defined Benefit Plans Disclosures [Table Text Block] | Changes in our postretirement health care liability were as follows:
(In thousands) | August 26, 2017
Balance at beginning of year | $ | 6,346 |
Interest cost | 29 |
Service cost | 16 |
Net benefits paid | (53 | )
Plan amendment | (6,338 | )
Balance at end of year | $ | — |
Schedule of Net Benefit Costs [Table Text Block] | Net periodic postretirement benefit income for Fiscal 2017 and 2016 consisted of the following components:
| Year Ended
(In thousands) | August 26, 2017 |  | August 27, 2016
Interest cost | $ | 29 |  |  | $ | 327 |
Service cost | 16 |  |  | 108 |
Amortization of prior service benefit | (40,444 | ) |  | (7,736 | )
Amortization of net actuarial loss | 15,648 |  |  | 1,612 |
Net periodic postretirement benefit income | $ | (24,751 | ) |  | $ | (5,689 | )
Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block] | Amounts not yet recognized in net periodic benefit cost and included in accumulated other comprehensive income (before taxes) are as follows:
(In thousands) | August 27, 2016
Prior service credit | $ | (34,139 | )
Net actuarial loss | 15,648 |
Accumulated other comprehensive income | $ | (18,491 | )
Investment in Life Insurance [Table Text Block] | The cash surrender value of these policies is presented in investment in life insurance in the accompanying balance sheets and consists of the following:
(In thousands) | August 25, 2018 |  | August 26, 2017
Cash value | $ | 63,574 |  |  | $ | 62,824 |
Borrowings | (35,277 | ) |  | (35,406 | )
Investment in life insurance | $ | 28,297 |  |  | $ | 27,418 |

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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2439-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2410-114920 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2417-114920 + Details
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