Goodwill and Other Identifiable Intangible Assets (Changes in the Carrying Amount of Goodwill) (Details) $ in Thousands	6 Months Ended
	Dec. 31, 2023 USD ($)
Goodwill [Roll Forward]
Balance at June 30, 2023	$ 216,706
Goodwill disposed upon business sale	(8,539)
Foreign currency translation adjustment	47
Balance at December 31, 2023	208,214
Specialty Technology Solutions
Goodwill [Roll Forward]
Balance at June 30, 2023	16,370
Goodwill disposed upon business sale	0
Foreign currency translation adjustment	0
Balance at December 31, 2023	16,370
Modern Communications & Cloud
Goodwill [Roll Forward]
Balance at June 30, 2023	200,336
Goodwill disposed upon business sale	(8,539)
Foreign currency translation adjustment	47
Balance at December 31, 2023	$ 191,844