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Summary Of Significant Accounting Policies Summary Of Significant Accounting Policies (Contingent Consideration Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Business Acquisition [Line Items] |  |
Contingent consideration, beginning balance | $ 13,000 | $ 15,191
Contingent consideration at acquisition | 16,900 | 3,800
Change in fair value of contingent consideration | 1,170 | 3,009
Payment of contingent consideration | (11,500) | (9,000)
Contingent consideration, ending balance | 19,570 | 13,000
Acquired entity name-ThingWorx [Member] |  |
Business Acquisition [Line Items] |  |
Contingent consideration, beginning balance | 9,000 | 15,191
Contingent consideration at acquisition | 0 | 0
Change in fair value of contingent consideration | 0 | 2,809
Payment of contingent consideration | (9,000) | (9,000)
Contingent consideration, ending balance | 0 | 9,000
Acquired entity name: ColdLight [Member] |  |
Business Acquisition [Line Items] |  |
Contingent consideration, beginning balance | 4,000 | 0
Contingent consideration at acquisition | 0 | 3,800
Change in fair value of contingent consideration | 1,000 | 200
Payment of contingent consideration | (2,500) | 0
Contingent consideration, ending balance | 2,500 | 4,000
Acquired entity name: Kepware [Member] |  |
Business Acquisition [Line Items] |  |
Contingent consideration, beginning balance | 0 | 0
Contingent consideration at acquisition | 16,900 | 0
Change in fair value of contingent consideration | 170 | 0
Payment of contingent consideration | 0 | 0
Contingent consideration, ending balance | $ 17,070 | $ 0

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- Definition Contingent Consideration Liability, Fair Value Disclosure + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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