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Leases Operating Lease Select Information (Tables) | 3 Months Ended
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Dec. 31, 2019
Lessee, Lease, Description [Line Items] |
Lease, Cost [Table Text Block] |
Operating lease costs (1) | $ | 3.5 |
Lease term and discount rate information: |
Weighted average remaining lease term (years) | 4.39 |
Weighted average discount rate | 5.1 | %
Supplemental cash flow information and non-cash activity: |
Cash paid for amounts included in the measurement of operating lease liabilities | $ | 2.7 |
Right-of-use assets obtained in exchange for operating lease liabilities | $ | 34.6 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration