Merchandise Held For Disposition (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011
Merchandise Held For Disposition [Line Items]
Merchandise held for disposition, net	$ 139,519	$ 161,884	$ 117,784
Domestic Retail Services Operations [Member]
Merchandise Held For Disposition [Line Items]
Merchandise held for disposition, net	128,200	151,300	110,500
Foreign Retail Services Operations [Member]
Merchandise Held For Disposition [Line Items]
Merchandise held for disposition, net	$ 11,300	$ 10,600	$ 7,300