Segment Information Restructuring Charges, Acquisition Related Charges, Litigation Charges, and Goodwill Impairment Charges Impact on Segment Income (Loss) by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 02, 2017	Mar. 27, 2016	Apr. 02, 2017	Mar. 27, 2016
Restructuring Charges, Acquisition Related Charges, Litigation Charges, and Goodwill Impairment Charges	$ 0	$ 8,375	$ 0	$ 17,868
Engines [Member]
Restructuring Charges, Acquisition Related Charges, Litigation Charges, and Goodwill Impairment Charges	0	0	0	4,179
Products [Member]
Restructuring Charges, Acquisition Related Charges, Litigation Charges, and Goodwill Impairment Charges	$ 0	$ 8,375	$ 0	$ 13,689