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Leases - Supplemental Balance Sheet Information (Details) $ in Millions	Jun. 30, 2019 USD ($)
Operating Leases
Operating lease right-of-use assets	$ 15.7
Operating lease liabilities, current portion	1.9
Operating lease liabilities	14.6
Total operating lease liabilities	$ 16.5
Operating leases:
Weighted Average Remaining Lease Term (years)	10 years 3 months 18 days
Operating leases:
Weighted Average Discount Rate	4.62%

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- Definition

Operating Lease, Other Liability, Current

+ References

No definition available.

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- References

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- References

No definition available.

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X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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-SubTopic 20
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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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