Segment Information Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Mar. 29, 2020	Mar. 31, 2019
Net Sales	$ 473,535	$ 580,196	$ 1,225,195	$ 1,364,655
Gross Profit	63,464	96,987	174,735	233,233
Segment Income (Loss)	(81,659)	17,261	(126,040)	(28,534)
International sales included in net sales based on product shipment destination	138,771	142,817	385,406	379,468
Engines [Member]
Net Sales	269,619	336,243	622,163	727,351
Gross Profit	45,418	72,529	97,753	144,272
Segment Income (Loss)	(59,161)	22,833	(101,312)	(16,579)
Products [Member]
Net Sales	229,368	271,209	666,993	698,879
Gross Profit	17,789	24,348	77,786	89,402
Segment Income (Loss)	(22,755)	(5,682)	(23,924)	(11,514)
Elimination [Member]
Net Sales	(25,452)	(27,256)	(63,961)	(61,575)
Gross Profit	257	110	(804)	(441)
Segment Income (Loss)	$ 257	$ 110	$ (804)	$ (441)