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Leases (Other Information) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases			$ 21.5	$ 22.4
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability			$ 3.3	25.6
Weighted average remaining lease term, operating leases (in years)	6 years 8 months 12 days		6 years 8 months 12 days
Weighted average discount rate, operating leases (as a percentage)	5.30%		5.30%
Lease, Cost	$ 6.5	$ 6.8	$ 20.1	$ 20.4

X

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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- Definition

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

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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.

+ References

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-Publisher FASB
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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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