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Leases - Lease Obligations (Details) $ in Millions	Sep. 30, 2019 USD ($)
Other non-current assets:
Finance leases - ROU assets	$ 54.6
Finance leases - Accumulated depreciation	(13.5)
Operating lease right-of-use-assets:
Operating leases - ROU assets	101.3
Operating leases - Accumulated depreciation	(21.0)
Total lease assets	121.4
Current portion of long-term debt:
Finance leases	(10.3)
Current portion of operating lease liabilities:
Operating leases	(24.6)
Long-term debt, less current portion:
Finance leases	(30.4)
Long-term operating lease liabilities, less current portion:
Operating leases	(57.4)
Total lease liabilities	$ (122.7)

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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