Note 10 - Retirement Plans (Tables)

6 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	Three Months Ended						Six Months Ended
	September 30,			October 1,			September 30,			October 1,
	2023			2022			2023			2022
Service cost including administration	$	1,737		$	2,435		$	3,473		$	4,870
Interest cost		2,818			2,374			5,636			4,748
Expected return on plan assets		(4,175	)		(4,026	)		(8,349	)		(8,051	)
Amortization of prior service cost		19			23			38			46
Amortization of net loss		-			103			-			205
Net periodic benefit cost	$	399		$	909		$	798		$	1,818