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Debt (Details 2) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Debt Instrument
Total Debt	$ 354.4	$ 355.1
Notes Payable to Bank	0.0	3.9
Debt Instrument, Unamortized Debt Issuance Costs, Noncurrent, net	(4.2)	(4.7)
Long-Term Portion	346.1	328.1
Current Portion of Long-Term Debt	8.3	27.0
Less: Current Maturities of Capital Lease Obligations	1.1
less: Finance Lease, Liability, Current	0.2
Line of Credit
Debt Instrument
Debt, Current, Net Of Unamortized Debt Issuance Costs	(8.3)	(27.0)
Current Portion of Long-Term Debt	7.0
Secured Borrowings
Debt Instrument
Total Debt	2.2	2.4
Capital Lease Obligations
Debt Instrument
Total Debt	0.4	0.5
JPMorgan, 2017 Credit Agreement | Line of Credit
Debt Instrument
Total Debt	56.0	53.0
Bonds
Debt Instrument
Total Debt	$ 300.0	$ 300.0

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