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Segments - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions | Jun. 30, 2019 | Sep. 30, 2018
--- | --- | ---
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Goodwill and other intangible assets | $ 2,984.6 | $ 476.8
Assets held for sale | 807.6 | 0.0
Total assets | 5,577.7 | 3,178.8
Operating Segments |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Tangible assets | 1,641.4 | 1,355.7
Corporate |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Tangible assets | 144.1 | 1,346.3
Americas | Operating Segments |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Tangible assets | 982.1 | 504.2
International | Operating Segments |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Tangible assets | $ 659.3 | $ 851.5

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