INCOME TAXES - Additional Information (Detail) (USD $)	12 Months Ended
	Oct. 02, 2011	Oct. 03, 2010	Sep. 27, 2009
Income Taxes [Line Items]
Provision (benefit) for income taxes	$ (32,398,000)	$ (4,007,000)	$ 17,949,000
Income (loss) before income taxes	22,049,000	55,031,000	(8,874,000)
Current year tax benefits from net operating losses and tax credits	20,800,000
Foreign tax expense	10,000,000
Valuation allowance on deferred tax assets	18,086,000	37,604,000	28,446,000
Unrecognized tax benefit, interest and penalties	700,000	200,000	800,000
Unrecognized tax benefit, cumulative interest and penalties	4,200,000	3,500,000	3,300,000
Excess tax benefit from employee stock compensation	8,800,000
Estimated increase in equity from excess tax benefit	8,800,000
Alternative minimum tax credits	300,000
Undistributed earnings of foreign operations	253,800,000	191,400,000
Unrecognized tax benefit that would impact effective tax rate	34,000,000
Internal Revenue Service (IRS)
Income Taxes [Line Items]
Net operating losses carryforward, subject to expiration	64,900,000
Net operating losses carryforward expiration dates	Begin expiring in 2021
Research and experimentation credits	15,800,000
Federal foreign tax credits	2,600,000
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating losses carryforward, subject to expiration	87,300,000
Net operating losses carryforward expiration dates	Begin expiring in 2014
Research and experimentation credits	34,700,000
Foreign Country
Income Taxes [Line Items]
Net operating losses carryforward, not subject to expiration	55,500,000
Open tax years by major tax jurisdiction	2008 to 2011
Federal and State | Enterprise Zone Tax Credits
Income Taxes [Line Items]
Other tax credit carryforwards	900,000
Federal and State | Investment Credit
Income Taxes [Line Items]
Other tax credit carryforwards	800,000
Federal
Income Taxes [Line Items]
Open tax years by major tax jurisdiction	2007 to 2011
ISRAEL
Income Taxes [Line Items]
Valuation allowance	16,400,000
United States
Income Taxes [Line Items]
Valuation allowance	5,200,000
within the next twelve months
Income Taxes [Line Items]
Anticipated decrease in unrecognized tax benefits	$ 11,500,000