Goodwill - Narrative (Details) |
6 Months Ended |
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Mar. 31, 2018
Segments
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| Goodwill and Intangible Assets Disclosure [Abstract] | |
| Number of reporting units | 2 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. No definition available.
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