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Summary of Signficant Accounting Policies (Details Textual 1) - USD ($) shares in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Business Acquisition [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements				912	1,210
Goodwill			$ 270,580,000	$ 300,011,000	$ 301,802,000
Finite-Lived Intangible Assets, Accumulated Amortization			137,386,000	158,507,000
Intangible Assets, Gross (Excluding Goodwill)			269,954,000	$ 319,505,000
Goodwill and other intangible assets impairments	$ 15,600,000	$ 14,600,000	30,227,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount				427	381
Contractual Rights [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Gross			0	$ 7,062,000
Finite-Lived Intangible Assets, Accumulated Amortization			$ 0	7,062,000
Contractual Rights [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years
Contractual Rights [Member] \| Minimum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			3 years
Technology-Based and other [Member]
Business Acquisition [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
Technology-Based and other [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			20 years
Technology-Based and other [Member] \| Minimum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			4 years
Customer-related [Member]
Business Acquisition [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
Customer-related [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			21 years
Customer-related [Member] \| Minimum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years
Unpatented Technology [Member]
Business Acquisition [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
Unpatented Technology [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			30 years
Unpatented Technology [Member] \| Minimum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years
Trademarks [Member]
Business Acquisition [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] \| Maximum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			20 years
Trademarks [Member] \| Minimum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			5 years
Trademarks [Member]
Business Acquisition [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)			$ 11,160,000	14,545,000
Infrastructure [Member]
Business Acquisition [Line Items]
Goodwill			0	0	$ 0
Industrial [Member]
Business Acquisition [Line Items]
Goodwill			$ 270,580,000	$ 272,708,000	$ 274,254,000