Goodwill and Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Changes in the carrying amount of goodwill by reportable segment
Goodwill, beginning balance	$ 202,700	$ 254,406
Goodwill acquired during the year	3,845	21,968
Goodwill Impairment	0	(64,794)	$ 0
Other, primarily currency translation	(410)	(8,880)
Goodwill, ending balance	206,135	202,700	254,406
Service Center Based Distribution Segment [Member]
Changes in the carrying amount of goodwill by reportable segment
Goodwill, beginning balance	198,486	253,477
Goodwill acquired during the year	3,220	18,683
Goodwill Impairment	0	(64,794)	0
Other, primarily currency translation	34	(8,880)
Goodwill, ending balance	201,740	198,486	253,477
Fluid Power Businesses Segment [Member]
Changes in the carrying amount of goodwill by reportable segment
Goodwill, beginning balance	4,214	929
Goodwill acquired during the year	625	3,285
Goodwill Impairment		0
Other, primarily currency translation	(444)	0
Goodwill, ending balance	$ 4,395	$ 4,214	$ 929