Segment Information Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 01, 2017	Oct. 02, 2016
Net Sales	$ 329,094	$ 286,797
Gross Profit	66,265	52,521
Segment Income (Loss)	(16,835)	(16,314)
International sales included in net sales based on product shipment destination	114,637	109,887
Engines [Member]
Net Sales	162,746	154,498
Gross Profit	31,219	30,985
Segment Income (Loss)	(19,832)	(11,654)
Products [Member]
Net Sales	186,597	150,795
Gross Profit	35,707	22,951
Segment Income (Loss)	3,658	(3,245)
Elimination [Member]
Net Sales	(20,249)	(18,496)
Gross Profit	(661)	(1,415)
Segment Income (Loss)	$ (661)	$ (1,415)