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Note 23 - Investments in Unconsolidated Affiliates and Variable Interest Entities (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended 48 Months Ended 72 Months Ended 3 Months Ended 72 Months Ended
Sep. 23, 2012
Jun. 24, 2012
Jul. 31, 2012
Jul. 31, 2018
Sep. 23, 2012
Five Largest Customers [Member]
Parkdale America, LLC [Member]
Sales Revenue, Goods, Net [Member]
Sep. 23, 2012
Five Largest Customers [Member]
Parkdale America, LLC [Member]
Accounts Receivable [Member]
Sep. 23, 2012
Largest Customer [Member]
Parkdale America, LLC [Member]
Sales Revenue, Goods, Net [Member]
Sep. 23, 2012
Largest Customer [Member]
Parkdale America, LLC [Member]
Accounts Receivable [Member]
Oct. 30, 2015
Customer Concentration Risk [Member]
Parkdale America, LLC [Member]
Sep. 23, 2012
Parkdale America, LLC [Member]
Mar. 30, 2011
Parkdale America, LLC [Member]
Aug. 28, 2009
Parkdale America, LLC [Member]
Jun. 30, 1997
Parkdale America, LLC [Member]
Sep. 23, 2012
UNF and UNF America [Member]
Jun. 24, 2012
UNF and UNF America [Member]
Equity Method Investment, Ownership Percentage                         34.00%    
Number of Manufacturing Facilities 13                            
Concentration Risk, Percentage         80.00% 72.00% 37.00% 37.00% 95.00%            
Number of Months Following the Marketing Year that the Government Subsidy Was Earned by PAL 18 months                            
Federal Government Susidy Program Per Unit     four cents three cents                      
Number of Years Covered by the Supply Agreement Between PAL and HBI   6 years                          
Number of Times the Supply Agreement Between PAL and HBI Can Be Extended   2 years                          
Number of Years the Supply Agreement Between PAL and HBI Can Be Extended Per Extension   3 years                          
Line of Credit Facility, Maximum Borrowing Capacity                     $ 200,000 $ 100,000      
Cash Equivalents, at Carrying Value                   62,819          
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax 210 1,214               619          
Equity Method Investments 95,185 95,763               90,952       4,233  
Purchase Commitment, Remaining Minimum Amount Committed                           8,013  
Accounts Payable, Related Parties $ 525 $ 496                       $ 3,801 $ 4,184
Percentage of Current and Total Assets and Total Liabilities Accounted for by Equity Method Investments                           3.00%