RESTRUCTURING CHARGES AND SEVERANCE CHARGES - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				3 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Dec. 30, 2012 Other Facilities	Sep. 30, 2012 Other Facilities	Dec. 30, 2012 Other Facilities Employee Severance Person	Sep. 30, 2012 Other Facilities Employee Severance	Dec. 30, 2012 Other Facilities Contract Termination Costs	Sep. 30, 2012 Other Facilities Contract Termination Costs	Dec. 30, 2012 Scottsdale Facility	Sep. 30, 2012 Scottsdale Facility	Apr. 03, 2011 Scottsdale Facility sqft	Dec. 30, 2012 Scottsdale Facility Employee Severance	Sep. 30, 2012 Scottsdale Facility Employee Severance
Schedule of Status of Facilities by Location [Line Items]
Occupied leased facility (square foot)											135,000
Recorded severance accruals			$ 2,622	$ 2,312	$ 2,504	$ 2,122	$ 118	$ 190	$ 5,456	$ 5,965		$ 0	$ 117
Restructuring and severance charges	$ 850	$ 7,225			$ 1,000
Number of employees					50