Operations and Summary of Significant Accounting Policies - Summary of Accounts and Notes Receivable Allowances (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Allowances for doubtful accounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Valuation allowances and reserves	$ 36.4	$ 28.8	$ 31.7	$ 38.7
Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Valuation allowances and reserves	49.3	54.5
Accounts Receivable \| Sales incentive discounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Valuation allowances and reserves	12.9	25.7
Accounts Receivable \| Allowances for doubtful accounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Valuation allowances and reserves	$ 36.4	$ 28.8