Segment Information Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 30, 2018	Dec. 31, 2017
Net Sales	$ 505,462	$ 446,436	$ 784,459	$ 775,531
Gross Profit	92,457	92,866	136,211	159,131
Segment Income (Loss)	8,335	17,389	(45,797)	795
International sales included in net sales based on product shipment destination	148,125	157,248	236,651	271,885
Engines [Member]
Net Sales	272,018	243,505	391,108	406,252
Gross Profit	55,614	55,429	71,551	86,648
Segment Income (Loss)	4,658	8,722	(39,593)	(10,894)
Products [Member]
Net Sales	254,627	222,080	427,670	408,676
Gross Profit	37,577	37,090	65,213	72,797
Segment Income (Loss)	4,411	8,320	(5,651)	12,003
Elimination [Member]
Net Sales	(21,183)	(19,149)	(34,319)	(39,397)
Gross Profit	(734)	347	(553)	(314)
Segment Income (Loss)	$ (734)	$ 347	$ (553)	$ (314)