Pension and retirement plans (Periodic Pension Cost) (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 03, 2026	Sep. 27, 2025
Components of net periodic pension costs
Service cost within selling, general and administrative expenses	$ 2,626	$ 2,718
Interest cost	5,766	5,742
Expected return on plan assets	(9,828)	(10,553)
Recognized net actuarial loss and other	4,367	2,841
Total net periodic pension benefit within other expense, net	305	(1,970)
Net periodic pension cost (benefit)	2,931	$ 748
Plan
Components of net periodic pension costs
Contributions	4,000
Estimated future employer pension plan contributions	$ 4,000