Segment Information (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	$ 58,745	$ 60,965	$ 119,911	$ 127,304
Adjustment for:
Intangible amortization			20,569	21,912
Corporate and other expense, net	14,414	15,604	30,091	32,033
Interest expense, net	9,583	9,578	19,642	20,054
Other (income) expense, net	(215)	946	(215)	707
Income before income taxes	49,377	50,441	100,484	106,543
Operating Segments [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	83,354	87,560	170,571	181,249
Service Center Based Distribution [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	53,905	58,317	114,265	121,126
Adjustment for:
Intangible amortization	2,832	3,973	5,886	7,991
Fluid Power & Flow Control Segment [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	29,449	29,243	56,306	60,123
Adjustment for:
Intangible amortization	$ 7,363	$ 7,018	$ 14,683	$ 13,921