Segment Information Restructuring Charges, Acquisition Related Charges, and Litigation Charges Impact on Segment Income (Loss) by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 01, 2017	Dec. 27, 2015	Jan. 01, 2017	Dec. 27, 2015
Restructuring Charges, Acquisition Related Charges, and Litigation Charges	$ 0	$ 4,994	$ 0	$ 9,493
Engines [Member]
Restructuring Charges, Acquisition Related Charges, and Litigation Charges	0	1,975	0	4,179
Products [Member]
Restructuring Charges, Acquisition Related Charges, and Litigation Charges	$ 0	$ 3,019	$ 0	$ 5,314