Segment Information Business Optimization Charges Impact on Gross Profit by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 30, 2018	Dec. 31, 2017
Cost Of Goods Sold Business Optimization Charges	$ 1,499	$ 1,457	$ 4,801	$ 2,650
Engines [Member]
Cost Of Goods Sold Business Optimization Charges	665	703	1,088	1,128
Products [Member]
Cost Of Goods Sold Business Optimization Charges	$ 834	$ 754	$ 3,713	$ 1,522