Exit Activities (Summary of Closure Reserves for Stores and Administrative Office and Distribution Facilities) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Store Closure Liabilities [Member]
Beginning balance	$ 8,337
Additions and accretion	353
Payments	(1,945)
Revisions to estimates	(541)
Ending balance	6,204
Administrative Office and Distribution Facilities Closure Liabilities [Member]
Beginning balance	1,676
Additions and accretion	81
Payments	(357)
Revisions to estimates	0
Ending balance	$ 1,400