XML 52 R61.htm IDEA: XBRL DOCUMENT v3.19.3
Lines of Credit and Financing Arrangements (Credit Facility Ratios) (Details) - Revolving Credit Facility [Member]
9 Months Ended
Sep. 30, 2019
Maximum [Member]  
Line of Credit Facility [Line Items]  
Consolidated Indebtedness to Adjusted EBITDA Ratio no greater than 3.5
Minimum [Member]  
Line of Credit Facility [Line Items]  
Cash Flow to Net Interest Expense Ratio no less than 3.0