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Acquisitions (Tables) | 12 Months Ended
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Sep. 30, 2017
Business Combinations [Abstract] |
Schedule of Business Acquisitions, by Acquisition | The total purchase price for our 2016 acquisitions was allocated to assets and liabilities acquired as follows:
Purchase price allocation: | Kepware |  | Vuforia
| (in thousands)
Goodwill | $ | 77,081 |  |  | $ | 23,316 |
Identifiable intangible assets | 34,500 |  |  | 41,200 |
Cash | 590 |  |  | 4,466 |
Other assets and liabilities, net | 4,729 |  |  | 261 |
Total allocation of purchase price consideration | 116,900 |  |  | 69,243 |
Less: cash acquired | (590 | ) |  | (4,466 | )
Total purchase price allocation, net of cash acquired | 116,310 |  |  | 64,777 |
Less: contingent consideration | (16,900 | ) |  | — |
Net cash used for acquisitions of businesses | $ | 99,410 |  |  | $ | 64,777 |

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- Definition Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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