Long-term Debt and Short-term Borrowings Long-term Debt and Short-term Borrowings (Credit Spread) (Details) - Restated Credit Agreement	8 Months Ended
	Dec. 31, 2015
Eurodollar
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Eurodollar | Greater Than Four to One
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%
Eurodollar | Less Than Four to One and Greater Than Three Point Five to One
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Eurodollar | Less Than Three Point Five to One and Greater Than Three to One
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Eurodollar | Less Than Three to One and Greater Than Two to One
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Eurodollar | Less Than Two to One
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Base Rate | Greater Than Four to One
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Base Rate | Less Than Four to One and Greater Than Three Point Five to One
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Base Rate | Less Than Three Point Five to One and Greater Than Three to One
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Base Rate | Less Than Three to One and Greater Than Two to One
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Base Rate | Less Than Two to One
Debt Instrument [Line Items]
Basis spread on variable rate	0.25%