Conditions for investments in entities accounted for an equity basis.

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Conditions for investments in entities accounted for on the cost basis.

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Finite-lived Intangible Assets, Written off Related to Sale of Business Unit

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Intangible Asset Write-Down - Balance sheet account

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Reduction of Liability

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of divestiture of an asset lacking physical substance and having a projected indefinite period of benefit to fair value. Excludes financial assets and goodwill.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Summary of Signficant Accounting Policies (Details Textual 1) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Business Acquisition [Line Items]
Conditions for Investments in Entities Accounted for Equity Basis		0.50
Goodwill		$ 301,367	$ 298,487	$ 417,389
Goodwill, Written off Related to Sale of Business Unit			(7,536)
Finite-Lived Intangible Assets, Accumulated Amortization		129,981	114,093
Intangible Assets, Gross (Excluding Goodwill)		320,508	321,301
Goodwill, Impairment Loss		$ 0
Conditions for Investments in Entities Accounted for on Cost Basis		0.50
Contractual Rights [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Gross		$ 7,064	7,152
Finite-Lived Intangible Assets, Accumulated Amortization		$ 7,014	6,886
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit			500
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		$ 46,461	47,323
Finite-Lived Intangible Assets, Accumulated Amortization		$ 29,061	27,011
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit			800
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		$ 205,502	205,471
Finite-Lived Intangible Assets, Accumulated Amortization		$ 74,669	66,938
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit			30,000
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		$ 31,754	31,837
Finite-Lived Intangible Assets, Accumulated Amortization		$ 10,589	4,614
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit			15,400
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		$ 12,401	12,668
Finite-Lived Intangible Assets, Accumulated Amortization		$ 8,648	8,644
Finite-lived Intangible Assets, Written off Related to Sale of Business Unit			1,100
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)		$ 17,326	16,850
Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit			5,000
Infrastructure [Member]
Business Acquisition [Line Items]
Goodwill		0	0	112,860
Goodwill, Written off Related to Sale of Business Unit			(6,461)
Goodwill and Intangible Asset Impairment	$ 106,100
Goodwill, Impairment Loss	105,700		(105,711)
Infrastructure [Member] \| Contractual Rights [Member]
Business Acquisition [Line Items]
Intangible Asset Write-Down				10,500
Impairment of Intangible Assets (Excluding Goodwill)				5,500
Reduction of Liability				5,000
Infrastructure [Member] \| Trademarks [Member]
Business Acquisition [Line Items]
Impairment of Intangible Assets (Excluding Goodwill)	400
Industrial [Member]
Business Acquisition [Line Items]
Goodwill		$ 273,490	271,501	$ 277,094
Goodwill, Written off Related to Sale of Business Unit			$ (1,075)
Industrial [Member] \| Trademarks [Member]
Business Acquisition [Line Items]
Impairment of Intangible Assets (Excluding Goodwill)	$ 2,300