Goodwill and Intangibles (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2023	Jun. 30, 2023
Changes in the carrying amount of goodwill by reportable segment
Balance at beginning of period	$ 578,418	$ 563,205
Goodwill acquired during the period	10,738	14,517
Other, primarily currency translation	200	696
Balance at end of period	589,356	578,418
Service Center Based Distribution Segment [Member]
Changes in the carrying amount of goodwill by reportable segment
Balance at beginning of period	211,231	211,010
Goodwill acquired during the period	9,489	0
Other, primarily currency translation	200	221
Balance at end of period	220,920	211,231
Engineered Solutions Segment [Member]
Changes in the carrying amount of goodwill by reportable segment
Balance at beginning of period	367,187	352,195
Goodwill acquired during the period	1,249	14,517
Other, primarily currency translation	0	475
Balance at end of period	$ 368,436	$ 367,187