Summary Of Significant Accounting Policies (Details 2) - USD ($)	Jun. 30, 2020	Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	$ 137,386,000	$ 158,507,000
Contractual Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	0	7,062,000
Finite-Lived Intangible Assets, Accumulated Amortization	0	7,062,000
Technology-Based and other [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	32,713,000	46,228,000
Finite-Lived Intangible Assets, Accumulated Amortization	22,612,000	31,890,000
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	181,408,000	205,213,000
Finite-Lived Intangible Assets, Accumulated Amortization	88,112,000	94,711,000
Unpatented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	31,586,000	31,702,000
Finite-Lived Intangible Assets, Accumulated Amortization	17,890,000	15,492,000
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	13,087,000	14,755,000
Finite-Lived Intangible Assets, Accumulated Amortization	8,772,000	9,352,000
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 11,160,000	$ 14,545,000