Lines of Credit and Financing Arrangements (Required Ratios Under the Domestic Credit Facility) (Details) - Revolving Credit Facility [Member]	12 Months Ended
	Dec. 31, 2015
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