Long-Term Debt (ABL Facility) (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Jul. 08, 2011	Sep. 02, 2009
ABL Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity under credit facility	$ 600,000	$ 600,000
Less than outstanding commitments	15.00%
Maximum [Member] | ABL Facility [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage	0.65%
Commitment utilization	50.00%
Fixed charge coverage ratio	1.1
Minimum [Member]
Line of Credit Facility [Line Items]
Fixed charge coverage ratio	1.0
Minimum [Member] | ABL Facility [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage	0.50%
Commitment utilization	50.00%
Alternative A [Member] | Maximum [Member] | Libor [Member] | ABL Facility [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	3.25%
Alternative A [Member] | Minimum [Member] | Libor [Member] | ABL Facility [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	2.75%
Alternative B [Member] | Federal Funds [Member] | ABL Facility [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	0.50%
Alternative B [Member] | Maximum [Member] | Libor [Member] | ABL Facility [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	1.75%
Alternative B [Member] | Minimum [Member] | Libor [Member] | ABL Facility [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	1.25%