Leases - Schedule of Lease Costs (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 19.1
Finance lease cost:
Amortization of right-of-use assets	0.8
Interest on lease liabilities	0.1
Sublease income	(2.2)
Total lease cost	$ 17.8