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Segment Information Business Optimization Charges Impact on Segment Income (Loss) by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Oct. 01, 2017
Oct. 02, 2016
Business Optimization Charges $ 5,237 $ 0
Engines [Member]    
Business Optimization Charges 2,331 0
Products [Member]    
Business Optimization Charges $ 2,906 $ 0