Leases and Commitments - Balance Sheet Implication (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets
Right-of-use assets	$ 111.1	$ 153.1
Finance right-of-use assets	$ 2.2	$ 2.4
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	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	$ 113.3	$ 155.5
Liabilities
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other accrued liabilities	Other accrued liabilities
Operating lease liabilities	$ 37.1	$ 46.2
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other accrued liabilities	Other accrued liabilities
Finance lease liabilities	$ 1.2	$ 1.1
Total current lease liabilities	38.3	47.3
Noncurrent
Operating lease liabilities	$ 87.5	$ 120.9
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Long-term debt	Long-term debt
Finance lease liabilities	$ 1.3	$ 1.5
Total noncurrent lease liabilities	88.8	122.4
Total lease liability	$ 127.1	$ 169.7