Leases and Commitments (Balance Sheet Implication) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Assets
Right-of-use assets	$ 92.1	$ 111.1
Finance right-of-use assets	$ 1.6	$ 2.2
Finance lease, right-of-use asset, statement of financial position	Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization	Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Total right-of-use assets	$ 93.7	$ 113.3
Current Liabilities
Operating lease, liability, statement of financial position	Other accrued liabilities	Other accrued liabilities
Operating lease liabilities	$ 31.5	$ 37.1
Finance lease, liability, current, statement of financial position	Other accrued liabilities	Other accrued liabilities
Finance lease liabilities	$ 0.9	$ 1.2
Total current lease liabilities	32.4	38.3
Noncurrent
Operating lease liabilities	$ 71.5	$ 87.5
Finance lease, liability, noncurrent, statement of financial position	Long-term debt	Long-term debt
Finance lease liabilities	$ 0.8	$ 1.3
Total noncurrent lease liabilities	72.3	88.8
Total lease liability	$ 104.7	$ 127.1