Note J - Net Sales by Product Group (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Industrial [Member]
Net Sales	$ 32,437	$ 42,078	$ 41,188
Land Based Transmissions [Member]
Net Sales	29,028	76,450	67,055
Marine and Propulsion Systems [Member]
Net Sales	98,925	141,137	149,432
Other [Member]
Net Sales	5,892	6,125	6,234
Net Sales	$ 166,282	$ 265,790	$ 263,909