Leases, Operating lease maturity table and account balances (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Leases
2025	$ 121.1
2026	90.2
2027	65.4
2028	47.7
2029	31.4
Thereafter	93.1
Total future minimum lease payments	448.9
Less imputed interest	(54.8)
Total operating lease liabilities	394.1	$ 303.7
Operating lease right-of-use assets (included in other long-term assets)	$ 384.4	$ 301.5
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets, Noncurrent	Other Assets, Noncurrent
Other accrued expenses	$ 108.5	$ 91.6
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Liabilities, Current	Other Liabilities, Current
Other long-term liabilities	$ 285.6	$ 212.1
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other Liabilities, Current, Other Liabilities, Noncurrent	Other Liabilities, Current, Other Liabilities, Noncurrent