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Leases - Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 6.9	$ 6.3
Operating cash flows from finance leases	0.2	0.3
Financing cash flows from finance leases	0.5	0.2
Leased assets obtained in exchange for new finance lease liabilities	0.4	0.6
Leased assets obtained in exchange for new operating lease liabilities	$ 3.9	$ 3.3

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Amount of interest paid on finance lease liability.

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