Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Lease Cost [Abstract]
Operating lease cost	$ 15.5
Short-term lease cost	1.1
Total	16.6
Operating cash flows information [Abstract]
Cash paid for amounts included in the measurement of lease liabilities	16.2
Non-cash activity [Abstract]
Right-of-use assets obtained in the exchange for operating lease liabilities	$ 7.3
Weighted Average Remaining Lease Term and Discount Rates [Abstract]
Weighted-average remaining operating lease term	7 years 6 months 25 days
Weighted-average operating leases discount rate	5.00%
Outstanding Lease Assets and Liabilities [Abstract]
Right-of-use asset	$ 44.8
Lease liability - current	$ 11.9
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent
Lease liability - non-current	$ 43.3
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Future Minimum Lease Payments [Abstract]
2020	$ 14.3
2021	10.8
2022	8.5
2023	6.6
2024	5.2
Thereafter	21.4
Total future minimum lease payments	66.8
Less imputed interest	(11.6)
Total	$ 55.2
Minimum Lease Payments under Non-cancellable Operating Leases [Abstract]
2019		$ 17.3
2020		13.0
2021		9.5
2022		8.2
2023		7.0
Thereafter		24.8
Total		79.8
Rent Expense [Abstract]
Rent expense		$ 19.5	$ 19.3
Minimum [Member]
Operating Leases [Abstract]
Remaining lease terms	1 year
Maximum [Member]
Operating Leases [Abstract]
Remaining lease terms	50 years