XML 32 R33.htm IDEA: XBRL DOCUMENT v3.20.1
Credit Arrangements - Schedule of Long-term Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Long-term debt $ 519.4 $ 502.1
Long-term Debt and Lease Obligation, Including Current Maturities 530.4 513.1
Long-term Debt, Current Maturities 11.0 11.0
Long-term debt 519.4 502.1
Medium-term Notes [Member] | Term Loan Facility [Member]    
Debt Instrument [Line Items]    
Long-term debt 440.4 443.1
Revolving Credit Facility | Line of Credit [Member] | July 2019 Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Long-term debt $ 90.0 $ 70.0