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Note 10 - Retirement Plans - Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2026	Jun. 28, 2025
Service cost including administrative expenses	$ 1,089	$ 1,323
Interest cost	2,814	2,912
Expected return on plan assets	(5,769)	(4,820)
Amortization of prior service cost	0	2
Net periodic benefit income	$ (1,866)	$ (583)

X

- Definition

Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan, including administration.

+ References

No definition available.

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- Definition

Amount of expense (reversal of expense) for net periodic benefit cost components, excluding settlement or curtailment expense.

+ References

No definition available.

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X

- Definition

Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.

+ References

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- 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.

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- Definition

Amount of cost recognized for passage of time related to defined benefit plan.

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