Debt And Financing - Price Grid (Details)	12 Months Ended
	Dec. 31, 2016
ABL Facility
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
Credit Agreement Amendment, September 2014 [Member]
Debt Instrument [Line Items]
Total Leverage Ratio	3.40
ABL Facility Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant, Maximum Total Leverage Ratio, Current Quarter	3.5
Debt Instrument, Covenant, Maximum Total Leverage Ratio, Quarter Two	3.85
Debt Instrument, Covenant, Maximum Total Leverage Ratio, Quarter Three	3.85
Debt Instrument, Covenant, Maximum Total Leverage Ratio, Quarter Four	3.75
Debt Instrument, Covenant, Maximum Total Leverage Ratio, Quarter Five	3.5
Debt Instrument, Covenant, Maximum Total Leverage Ratio, Quarter Six	3.5
Debt Instrument, Covenant, Maximum Total Leverage Ratio, Quarter Seven	3.5
Debt Instrument, Covenant, Maximum Total Leverage Ratio, Quarter Eight	3.25
Debt Instrument, Covenant, Maximum Total Leverage Ratio, Quarter Nine	3.25