Leases and Commitments - Income and Expenses (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 66.7
Amortization of right-of-use assets	1.6
Interest on lease liabilities	0.3
Short-term leases costs	3.5
Sublease Income	(12.4)
Net lease cost	$ 59.7