Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017
Inventories [Abstract]
Total inventories	$ 104,223	$ 99,397
Raw materials, net of reserves	13,940	15,043
Work in process and finished parts, net of reserves	7,399	7,047
Finished goods, net of reserves	$ 82,884	$ 77,307