Leases, Operating lease maturity table and account balances (Details) $ in Millions	Dec. 31, 2019 USD ($)
Leases
2020	$ 58.8
2021	43.0
2022	30.3
2023	22.6
2024	17.3
Thereafter	47.4
Total future minimum lease payments	219.4
Less imputed interest	(20.0)
Total operating lease liabilities	199.4
Operating lease right-of-use assets (included in other long-term assets)	$ 196.7
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets, Noncurrent
Other accrued expenses	$ 54.0
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Liabilities, Current
Other long-term liabilities	$ 145.4
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent