Intangible Assets, Goodwill and Other (Details) - USD ($)	9 Months Ended
	Mar. 29, 2020	Jun. 30, 2019
Goodwill [Line Items]
Goodwill	$ 100,360,000	$ 169,682,000
Goodwill, Gross	100,360	169,682
Goodwill, Impaired, Accumulated Impairment Loss	(67,480)
Goodwill, Foreign Currency Translation Gain (Loss)	(1,842)
Engines [Member]
Goodwill [Line Items]
Goodwill, Gross	80,682	137,095
Goodwill, Impaired, Accumulated Impairment Loss	(55,463)
Goodwill, Foreign Currency Translation Gain (Loss)	(950)
Products [Member]
Goodwill [Line Items]
Goodwill, Gross	19,678	$ 32,587
Goodwill, Impaired, Accumulated Impairment Loss	(12,017)
Goodwill, Foreign Currency Translation Gain (Loss)	$ (892)