Note H - Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 27, 2026 |
Mar. 28, 2025 |
Mar. 27, 2026 |
Mar. 28, 2025 |
|
| Amortization of prior service cost (benefit) | $ 0 | $ 0 | $ 0 | $ 0 |
| Amortization of actuarial net loss (gain) | (13) | (65) | (40) | (196) |
| Net periodic benefit cost (gain) | 23 | (22) | 68 | (67) |
| Pension Plan [Member] | ||||
| Service cost | 89 | 79 | 269 | 243 |
| Prior Service cost | 5 | 5 | 16 | 16 |
| Interest cost | 774 | 835 | 2,322 | 2,507 |
| Expected return on plan assets | (751) | (825) | (2,253) | (2,477) |
| Amortization of transition obligation | 8 | 9 | 24 | 29 |
| Amortization of prior service cost (benefit) | 0 | 6 | 1 | 19 |
| Amortization of actuarial net loss (gain) | 647 | 247 | 1,942 | 740 |
| Net periodic benefit cost (gain) | 772 | 356 | 2,321 | 1,077 |
| Other Postretirement Benefits Plan [Member] | ||||
| Service cost | 1 | 2 | 4 | 5 |
| Interest cost | $ 35 | $ 41 | $ 104 | $ 124 |
| X | ||||||||||
- Definition Amount of cost (measured by the end of period FX rate) recognized for passage of time related to defined benefit plan. No definition available.
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| X | ||||||||||
- Definition Amount of cost recognized for prior service cost related to defined benefit plan. No definition available.
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| X | ||||||||||
- Definition Amount of cost for actuarial present value (measured by the end of period FX rate) of benefits attributed to service rendered by employee for defined benefit plan. No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of transition asset (obligation) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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