2014 Financing Transactions 2014 Financing Transactions (Price Grid Range) (Details) (2014 ABL Facility Credit Agreement [Member] [Member], USD $)	12 Months Ended
	Dec. 31, 2013
Average Quarterly Excess Capacity, Level I [Member]
Debt Instrument [Line Items]
Revolving Credit Facility Average Quarterly Excess Capacity	$ 140,000,000,000,000
Average Quarterly Excess Capacity, Level II [Member] | Minimum [Member]
Debt Instrument [Line Items]
Revolving Credit Facility Average Quarterly Excess Capacity	70,000,000,000,000
Average Quarterly Excess Capacity, Level II [Member] | Maximum [Member]
Debt Instrument [Line Items]
Revolving Credit Facility Average Quarterly Excess Capacity	140,000,000,000,000
Average Quarterly Excess Capacity, Level III [Member]
Debt Instrument [Line Items]
Revolving Credit Facility Average Quarterly Excess Capacity	$ 70,000,000,000,000
Subsequent Event [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%
Average Revolver Usage	50.00%
Letter of Credit, Fees as Percentage of Stated Amount	0.125%
Subsequent Event [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Subsequent Event [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Reduction When Total Leverage Ratio is Less Than 2.50 to 1.00	0.25%
Debt Instrument, Total Leverage Ratio	2.50
Subsequent Event [Member] | Federal Funds Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Subsequent Event [Member] | One Month LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Subsequent Event [Member] | Period Through March 31, 2014 [Member]
Debt Instrument [Line Items]
Commitment fee percentage	0.25%
Subsequent Event [Member] | Period After March 31. 2014 [Member]
Debt Instrument [Line Items]
Commitment fee percentage	0.375%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage, If Average Revolver Usage Greater Than 50 Percent	0.25%
Subsequent Event [Member] | Average Quarterly Excess Capacity, Level I [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Subsequent Event [Member] | Average Quarterly Excess Capacity, Level I [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Subsequent Event [Member] | Average Quarterly Excess Capacity, Level II [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Subsequent Event [Member] | Average Quarterly Excess Capacity, Level II [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Subsequent Event [Member] | Average Quarterly Excess Capacity, Level III [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Subsequent Event [Member] | Average Quarterly Excess Capacity, Level III [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%