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Inventories (Details) - USD ($)
$ in Thousands
Jul. 31, 2015
Oct. 31, 2014
Aug. 01, 2014
Inventories      
Raw materials and work in process $ 102,580 $ 95,144 $ 88,140
Finished goods and service parts 315,110 246,954 270,996
Total FIFO value 417,690 342,098 359,136
Less: adjustment to LIFO value 67,496 67,495 65,375
Total $ 350,194 $ 274,603 $ 293,761