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Summary of Signficant Accounting Policies (Details Textual 1) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Business Acquisition [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	912	1,210	818
Conditions for Investments in Entities Accounted for Equity Basis	0.50
Goodwill	$ 300,011	$ 301,802	$ 301,367
Finite-Lived Intangible Assets, Accumulated Amortization	158,507	145,334
Intangible Assets, Gross (Excluding Goodwill)	319,505	$ 321,802
Goodwill and Intangible Asset Impairment	$ 0
Conditions for Investments in Entities Accounted for on Cost Basis	0.50
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	427	381	1,412
Contractual Rights [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Gross	$ 7,062	$ 7,061
Finite-Lived Intangible Assets, Accumulated Amortization	$ 7,062	7,036
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	$ 46,228	46,666
Finite-Lived Intangible Assets, Accumulated Amortization	$ 31,890	30,923
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	$ 205,213	206,162
Finite-Lived Intangible Assets, Accumulated Amortization	$ 94,711	85,301
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	$ 31,702	31,854
Finite-Lived Intangible Assets, Accumulated Amortization	$ 15,492	13,096
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	$ 14,755	12,450
Finite-Lived Intangible Assets, Accumulated Amortization	$ 9,352	8,978
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)	$ 14,545	17,609
Infrastructure [Member]
Business Acquisition [Line Items]
Goodwill	0	0	$ 0
Industrial [Member]
Business Acquisition [Line Items]
Goodwill	$ 272,708	$ 274,254	$ 273,490

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