Goodwill and Intangibles (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Mar. 31, 2025	Jun. 30, 2024
Changes in the carrying amount of goodwill by reportable segment
Balance at beginning of period	$ 619,395	$ 578,418
Goodwill acquired/adjusted during the period	76,620	42,346
Other, primarily currency translation	(1,822)	(1,369)
Balance at end of period	694,193	619,395
Service Center Based Distribution Segment [Member]
Changes in the carrying amount of goodwill by reportable segment
Balance at beginning of period	219,574	211,231
Goodwill acquired/adjusted during the period	2,262	9,712
Other, primarily currency translation	(1,822)	(1,369)
Balance at end of period	220,014	219,574
Engineered Solutions Segment [Member]
Changes in the carrying amount of goodwill by reportable segment
Balance at beginning of period	399,821	367,187
Goodwill acquired/adjusted during the period	74,358	32,634
Other, primarily currency translation	0	0
Balance at end of period	$ 474,179	$ 399,821