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LEGAL PROCEEDINGS (Details) - Pueblo Colorado gravel operations
$ in Thousands
3 Months Ended
Sep. 10, 2014
USD ($)
T
Sep. 27, 2014
USD ($)
T
Gain Contingencies [Line Items]    
Royalties recoverable pending outcome of litigation | $ $ 1,259  
Sand and gravel reserves (in tons) 50,000,000  
Sand and gravel tons paid for   17,700,000
Reserve on overpaid royalties | $   $ 0
Remaining Unmined Sand and Gravel (in tons)   32,500,000