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BENEFIT PLANS (Tables) | 9 Months Ended
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May 02, 2020
Retirement Benefits [Abstract] |
Net Periodic Benefit Cost (Income) Recognized in Other Comprehensive Income (Loss) | Net periodic benefit (income) cost and contributions to defined benefit pension and other post-retirement benefit plans consisted of the following:
| 13-Week Period Ended
| Pension Benefits |  | Other Postretirement Benefits
(in thousands) | May 2, 2020 |  | April 27, 2019 |  | May 2, 2020 |  | April 27, 2019
Net Periodic Benefit (Income) Cost |  |  |  |  |  |  |
Service cost | $ | — |  |  | $ | — |  |  | $ | 14 |  |  | $ | 55 |
Interest cost | 13,602 |  |  | 24,004 |  |  | 236 |  |  | 478 |
Expected return on plan assets | (25,765 | ) |  | (35,416 | ) |  | (54 | ) |  | (58 | )
Amortization of net actuarial loss (gain) | 3 |  |  | — |  |  | (780 | ) |  | — |
Net periodic benefit (income) cost | $ | (12,160 | ) |  | $ | (11,412 | ) |  | $ | (584 | ) |  | $ | 475 |
Contributions to benefit plans | $ | (1,500 | ) |  | $ | (2,386 | ) |  | $ | (175 | ) |  | $ | (92 | )
| 39-Week Period Ended
| Pension Benefits |  | Other Postretirement Benefits
(in thousands) | May 2, 2020 |  | April 27, 2019 |  | May 2, 2020 |  | April 27, 2019
Net Periodic Benefit (Income) Cost |  |  |  |  |  |  |
Service cost | $ | — |  |  | $ | — |  |  | $ | 42 |  |  | $ | 114 |
Interest cost | 43,894 |  |  | 49,855 |  |  | 708 |  |  | 993 |
Expected return on plan assets | (79,834 | ) |  | (73,555 | ) |  | (162 | ) |  | (121 | )
Amortization of net actuarial loss (gain) | 9 |  |  | — |  |  | (2,337 | ) |  | — |
Pension settlement charge | 10,303 |  |  | — |  |  | — |  |  | — |
Net periodic benefit (income) cost | $ | (25,628 | ) |  | $ | (23,700 | ) |  | $ | (1,749 | ) |  | $ | 986 |
Contributions to benefit plans | $ | (6,750 | ) |  | $ | (2,574 | ) |  | $ | (335 | ) |  | $ | (218 | )

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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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