Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 01, 2012 item	Jun. 02, 2012
Commitments and contingencies
Number of legal cases	15
Craig et al and Ibea
Commitments and contingencies
Number of current and former assistant store managers who joined the action	1,250
Legal reserves related to the estimated settlement payments		$ 20,900
Craig et al and Ibea | Minimum
Commitments and contingencies
Number of current and former assistant store managers to whom notice has been sent	7,500
Indergit
Commitments and contingencies
Number of current and former store managers to whom notice has been sent	7,000
Number of current and former store managers who joined the action	1,550
Putative collective and class action lawsuits, including Indergit
Commitments and contingencies
Number of legal cases	2