Revenue Recognition Revenue Recognition (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 3,810,676	$ 3,235,919	$ 3,245,652
UNITED STATES
Disaggregation of Revenue [Line Items]
Net sales	3,299,750	2,782,859	2,819,400
CANADA
Disaggregation of Revenue [Line Items]
Net sales	291,530	255,360	248,610
Other Countries [Member]
Disaggregation of Revenue [Line Items]
Net sales	219,396	197,700	177,642
Service Center Based Distribution Segment [Member]
Disaggregation of Revenue [Line Items]
Net sales	2,565,604	2,199,533	2,241,949
Service Center Based Distribution Segment [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Net sales	2,081,566	1,768,965	1,833,275
Service Center Based Distribution Segment [Member] | CANADA
Disaggregation of Revenue [Line Items]
Net sales	291,530	255,360	248,610
Service Center Based Distribution Segment [Member] | Other Countries [Member]
Disaggregation of Revenue [Line Items]
Net sales	192,508	175,208	160,064
Fluid Power & Flow Control Segment [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,245,072	1,036,386	1,003,703
Fluid Power & Flow Control Segment [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Net sales	1,218,184	1,013,894	986,125
Fluid Power & Flow Control Segment [Member] | CANADA
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
Fluid Power & Flow Control Segment [Member] | Other Countries [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 26,888	$ 22,492	$ 17,578