Segment Information Business Optimization Charges Impact on Gross Profit by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Mar. 29, 2020	Mar. 31, 2019
Cost Of Goods Sold Business Optimization Charges	$ 8,373	$ 3,890	$ 21,638	$ 8,690
Engines [Member]
Cost Of Goods Sold Business Optimization Charges	6,184	623	18,359	1,712
Products [Member]
Cost Of Goods Sold Business Optimization Charges	$ 2,189	$ 3,267	$ 3,279	$ 6,978