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Business Acquisitions (Schedule of Finite-Lived and Indefinite-Lived Intangible Assets Acquired) (Details) - USD ($) $ in Thousands | 9 Months Ended |
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Jun. 30, 2018 | Jun. 01, 2018
Business Acquisition, Acquiree - L'Orange [Member] |  |
Business Acquisition [Line Items] |  |
Intangible assets |  | $ 556,023
Business Acquisition, Acquiree - L'Orange [Member] | Trade Names [Member] |  |
Business Acquisition [Line Items] |  |
Intangible assets |  | 63,817
Process Technology [Member] |  |
Business Acquisition [Line Items] |  |
Weighted Average Useful Life | 21 years |
Process Technology [Member] | Business Acquisition, Acquiree - L'Orange [Member] |  |
Business Acquisition [Line Items] |  |
Intangible assets |  | 71,940
Customer Relationships [Member] |  |
Business Acquisition [Line Items] |  |
Weighted Average Useful Life | 20 years |
Customer Relationships [Member] | Business Acquisition, Acquiree - L'Orange [Member] |  |
Business Acquisition [Line Items] |  |
Intangible assets |  | 379,423
Other Intangibles [Member] |  |
Business Acquisition [Line Items] |  |
Weighted Average Useful Life | 3 years |
Other Intangibles [Member] | Business Acquisition, Acquiree - L'Orange [Member] |  |
Business Acquisition [Line Items] |  |
Intangible assets |  | 232
Backlog [Member] |  |
Business Acquisition [Line Items] |  |
Weighted Average Useful Life | 1 year |
Backlog [Member] | Business Acquisition, Acquiree - L'Orange [Member] |  |
Business Acquisition [Line Items] |  |
Intangible assets |  | $ 40,611

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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