Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	0 Months Ended		0 Months Ended
	Nov. 02, 2013	Sep. 15, 2011 Employee Claims Rea Claim item	Dec. 03, 2013 Employee Claims Rea Claim item	Sep. 15, 2011 Employee Claims Rea Claim Maximum	Feb. 10, 2011 Consumer Class Action Claims Zip Code Claims item
Commitments and Contingencies
Amount of accrual for estimable and reasonably possible loss	$ 0
Aggregate estimate of possible loss	6.0
Commitments and Contingencies
Number of plaintiffs		4
Damages, penalties, costs of suit and attorneys' fees sought by plaintiff				$ 5
Number of certified members			200
Additional purported class action lawsuits					3