Segment and Geographic Information (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	$ 51,837	$ 43,419
Adjustment for:
Intangible amortization	5,831	6,237
Corporate and other income, net	(10,656)	(12,182)
Interest Expense, net	2,166	2,146
Other Income, net	(711)	(197)
Income before income taxes	50,382	41,470
Operating Segments [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	47,012	37,474
Service Center Based Distribution [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	33,722	26,996
Adjustment for:
Intangible amortization	4,512	4,846
Fluid Power Businesses [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	13,290	10,478
Adjustment for:
Intangible amortization	$ 1,319	$ 1,391