Debt And Financing - Price Grid (Details) (2014 ABL Facility Credit Agreement [Member], USD $)	12 Months Ended
	Dec. 31, 2014
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%
Average Quarterly Excess Capacity, Level I [Member]
Debt Instrument [Line Items]
Average quarterly excess capacity	140,000,000
Average Quarterly Excess Capacity, Level I [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Average Quarterly Excess Capacity, Level I [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Average Quarterly Excess Capacity, Level II [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Average Quarterly Excess Capacity, Level II [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Average Quarterly Excess Capacity, Level III [Member]
Debt Instrument [Line Items]
Average quarterly excess capacity	70,000,000
Average Quarterly Excess Capacity, Level III [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Average Quarterly Excess Capacity, Level III [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%
Minimum [Member] | Average Quarterly Excess Capacity, Level II [Member]
Debt Instrument [Line Items]
Average quarterly excess capacity	70,000,000
Maximum [Member] | Average Quarterly Excess Capacity, Level II [Member]
Debt Instrument [Line Items]
Average quarterly excess capacity	140,000,000