ACCRUED LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 30, 2012	Sep. 30, 2012
Accounts Payable and Accrued Liabilities, Current [Abstract]
Payroll, bonus, accrued time off and other employee benefits	$ 29,290	$ 43,219
Outside services	10,477	11,826
Restructuring and severance	8,078	8,277
Income taxes	4,420	1,036
Licenses	4,555	1,688
Commissions	3,282	2,900
Warranties	2,414	2,472
Interest	1,741	1,720
Other	7,229	7,086
Accrued liabilities	$ 71,486	$ 80,224