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Identifiable Intangible Assets (Tables) | 12 Months Ended
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Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets and Goodwill [Table Text Block] | Intangible assets are presented below.
| September 30,
| 2018 |  | 2017
| (in millions)
Capitalized internal-use software: |  |  |
Cost | $ | 27.6 |  |  | $ | 28.4 |
Accumulated amortization | (14.2 | ) |  | (11.3 | )
Net book value | 13.4 |  |  | 17.1 |
Business combination-related: |  |  |
Cost: |  |  |
Finite-lived intangible assets: |  |  |
Technology | 82.6 |  |  | 76.7 |
Customer relationships and other | 358.8 |  |  | 359.2 |
Indefinite-lived intangible assets: |  |  |
Trade names and trademarks | 266.6 |  |  | 266.8 |
Goodwill | 12.1 |  |  | 12.9 |
| 720.1 |  |  | 715.6 |
Accumulated amortization: |  |  |
Technology | (72.9 | ) |  | (72.2 | )
Customer relationships and other | (240.4 | ) |  | (221.2 | )
| (313.3 | ) |  | (293.4 | )
Net book value | 406.8 |  |  | 422.2 |
Total intangible assets net book value | $ | 420.2 |  |  | $ | 439.3 |

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- References No definition available. + Details
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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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