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Acquisitions Acquisition (Details) (USD $) In Millions, unless otherwise specified | 0 Months Ended |  | 0 Months Ended |  | 9 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 27, 2014 Shotgun | May 29, 2014 Within Technologies | May 29, 2014 Within Technologies | Feb. 06, 2014 Delcam | Feb. 06, 2014 Delcam | Oct. 31, 2014 Other business_combination
Business Acquisition [Line Items] |  |  |  |  |  |
Consideration | $ 54.5 | $ 88.0 |  | $ 284.6 |  | $ 207.2
Cash consideration | 51.2 |  |  |  |  |
Fair value of original convertible debt investment | 3.3 |  |  |  |  |
Goodwill, expected tax deductible amount |  |  | $ 78.9 |  | $ 165.1 |
Number of businesses acquired (businesses) |  |  |  |  |  | 16

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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