Pension and retirement plans (Tables)

6 Months Ended

Dec. 31, 2022

Pension and retirement plan

Components of net periodic pension costs

	Second Quarters Ended				Six Months Ended
	December 31,		January 1,		December 31,		January 1,
	2022		2022		2022		2022
	(Thousands)
Service cost	$	3,004	$	3,751	$	6,008	$	7,503
Total net periodic pension cost within selling, general and administrative expenses		3,004		3,751		6,008		7,503
Interest cost		6,683		3,947		13,365		7,894
Expected return on plan assets		(12,215)		(12,284)		(24,430)		(24,568)
Amortization of prior service cost		1		1		2		2
Recognized net actuarial loss		618		4,086		1,235		8,172
Total net periodic pension benefit within other income, net		(4,913)		(4,250)		(9,828)		(8,500)
Net periodic pension benefit	$	(1,909)	$	(499)	$	(3,820)	$	(997)