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Leases - Other Information Related to Leases (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Operating Leases
Weighted-average remaining lease term (years)	6 years 6 months
Weighted-average discount rate	6.00%
Finance Leases
Weighted-average remaining lease term (years)	5 years 7 months 6 days
Weighted-average discount rate	2.70%
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$ 0.1
Operating cash flows from operating leases	13.3
Cash paid for amounts included in the measurement of lease liabilities:
Financing cash flows from finance leases	0.9
Right of use assets obtained in exchange for new operating lease liability	$ 8.4

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Amount of interest paid on finance lease liability.

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