SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RELATED DATA (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended
	Jun. 30, 2012	May 31, 2012	Nov. 30, 2011	Oct. 31, 2012	Jun. 29, 2012	Oct. 31, 2011
Stock Split
Common stock split, conversion ratio	2	2	2
Percentage of common stock dividend distributed as a result of stock split					100.00%
Cash and Cash Equivalents
Restricted cash and short-term investments				$ 12,963
Inventories
Percentage of total inventory valued under FIFO method				31.00%		33.00%
Inventories
Raw materials and work in progress				91,465		94,176
Finished goods and service parts				223,459		189,855
Total FIFO value				314,924		284,031
Less: adjustment to LIFO value				63,807		61,001
Total				$ 251,117		$ 223,030