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Goodwill and Other Identifiable Intangible Assets (Narrative) (Details) - USD ($)
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill impairment charges $ 0 $ 0 $ 0
Weighted average amortization period 10 years 10 years 10 years
Amortization expense of intangible assets $ 16,746,000 $ 17,853,000 $ 19,488,000