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Segment Information Business Optimization Charges Impact on Gross Profit by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Oct. 01, 2017
Oct. 02, 2016
Cost Of Goods Sold Business Optimization Charges $ 1,193 $ 0
Engines [Member]    
Cost Of Goods Sold Business Optimization Charges 425 0
Products [Member]    
Cost Of Goods Sold Business Optimization Charges $ 768 $ 0