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Business and Summary of Significant Accounting Policies and Estimates - Recently Issued Accounting Pronouncements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Jan. 01, 2020	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets	$ 220.1
Operating liabilities	235.4
Right-of-use asset impairment charge	$ 1.4
ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets			$ 222.6
Operating liabilities			236.7
Cumulative effect adjustments to retained earnings			(6.1)
Retained Earnings | ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustments to retained earnings			$ (6.1)
Subsequent Event | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses		$ 1.5

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Amount of loss from impairment of right-of-use asset from operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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