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Retirement and Other Benefit Plans (Tables) | 6 Months Ended
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Aug. 02, 2025
Retirement and Other Benefit Plans |
Schedule of net periodic benefit expense (income) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension Benefits |  | Other Postretirement Benefits
​ |  | Thirteen Weeks Ended | ​ | Thirteen Weeks Ended
($ thousands) | ​ | August 2, 2025 |  | August 3, 2024 |  | August 2, 2025 |  | August 3, 2024
Service cost | ​ | $ | 1,115 | ​ | $ | 1,274 | ​ | $ | — | ​ | $ | —
Interest cost | ​ |  | 3,623 | ​ |  | 3,787 | ​ |  | 11 | ​ |  | 10
Expected return on assets | ​ |  | (5,561) | ​ |  | (6,055) | ​ |  | — | ​ |  | —
Amortization of: | ​ |  | — | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Actuarial loss (gain) | ​ |  | 1,378 | ​ |  | 1,485 | ​ |  | (19) | ​ |  | (26)
Prior service cost | ​ |  | 12 | ​ |  | — | ​ |  | — | ​ |  | —
Total net periodic benefit expense (income) | ​ | $ | 567 | ​ | $ | 491 | ​ | $ | (8) | ​ | $ | (16)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension Benefits |  | Other Postretirement Benefits
​ |  | Twenty-Six Weeks Ended | ​ | Twenty-Six Weeks Ended
($ thousands) |  | August 2, 2025 |  | August 3, 2024 |  | August 2, 2025 |  | August 3, 2024
Service cost | ​ | $ | 2,339 | ​ | $ | 2,466 | ​ | $ | — | ​ | $ | —
Interest cost | ​ |  | 7,244 | ​ |  | 7,519 | ​ |  | 24 | ​ |  | 23
Expected return on assets | ​ |  | (11,117) | ​ |  | (12,131) | ​ |  | — | ​ |  | —
Amortization of: | ​ | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Actuarial loss (gain) | ​ |  | 2,856 | ​ |  | 3,024 | ​ |  | (39) | ​ |  | (54)
Prior service cost | ​ |  | 19 | ​ |  | 24 | ​ |  | — | ​ |  | —
Total net periodic benefit expense (income) | ​ | $ | 1,341 | ​ | $ | 902 | ​ | $ | (15) | ​ | $ | (31)
​

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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/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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