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SEGMENT INFORMATION (Assets by segment) (Details) - USD ($)
$ in Thousands
Jul. 02, 2016
Oct. 03, 2015
Segment assets:    
Total assets $ 986,707 $ 904,466
Equipment [Member]    
Segment assets:    
Total assets 907,628 828,471
Expendable Tools [Member]    
Segment assets:    
Total assets $ 79,079 $ 75,995