XML 33 R36.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and Contingencies - Allowance for Doubtful Accounts (Details) (Increase in allowance for doubtful accounts, USD $)
In Thousands, unless otherwise specified
Jul. 28, 2012
Increase in allowance for doubtful accounts
 
Loss Contingencies  
Range of possible loss, minimum $ 0
Range of possible loss, maximum $ 2,500