Leases - Lease Balances Within Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
ASSETS:
Operating lease ROU assets	$ 189.8	$ 196.1
Operating lease, right-of-use asset, statement of financial position [Extensible List]	Other Assets, Noncurrent	Other Assets, Noncurrent
LIABILITIES:
Current operating lease liabilities	$ 43.3	$ 46.4
Operating lease liabilities	158.7	164.2
Total operating lease liabilities	$ 202.0	$ 210.6
Operating lease, liability, current, statement of financial position [Extensible List]	Other accrued liabilities	Other accrued liabilities
Operating lease, liability, noncurrent, statement of financial position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent