Special Charges (Details Textual) (USD $)	1 Months Ended	9 Months Ended		3 Months Ended	1 Months Ended	3 Months Ended	6 Months Ended		3 Months Ended			9 Months Ended	3 Months Ended
	Apr. 19, 2011	Jul. 01, 2011	Jun. 29, 2012	Jun. 29, 2012 Fiscal 2007 Restructuring Actions [Member] Employee	Apr. 19, 2011 Predecessor [Member]	Jul. 01, 2011 Predecessor [Member]	Jul. 01, 2011 Predecessor [Member]	Apr. 19, 2011 Predecessor [Member]	Jul. 01, 2011 Successor [Member]	Jul. 01, 2012 Successor [Member]	Jun. 29, 2012 Successor [Member]	Jun. 29, 2012 Successor [Member]	Jun. 29, 2012 Successor [Member] Fiscal 2006 and 2005 Restructuring Actions [Member] Employee
Special Charges (Textual) [Abstract]
Lease impairment charges					$ 7,000			$ 87,000	$ 2,084,000		$ 93,000	$ 250,000
Environmental related charges								145,000	39,000		(19,000)	198,000
Projected sub-lease income on restructured leases											2,000,000	300,000
Merger transaction charges						5,600,000	17,200,000
Payments for merger related costs	100,000							6,400,000	9,200,000
Fee for termination of the agreement with Standard Microsystems Corporation		7,700,000
Severance benefits associated with reductions in headcount		11,200,000								8,500,000		1,900,000
Special charges					5,660,000		2,600,000	20,890,000	12,558,000		288,000	1,964,000
Involuntary termination				670									385
Accretion of lease liability on restructured facilities under non-cancelable leases				400,000									200,000
Restructuring Actions (Textual) [Abstract]
Lower projected sub-tenant rent income			300,000
Restructuring Accruals (Textual) [Abstract]
Restructuring accrual			27,000,000
Restructuring accruals included in other current liabilities			4,600,000
Restructuring accruals included in other non-current liabilities			22,400,000
Accrued liabilities include the net present value of the future lease			44,900,000
Contracted sublease income			13,200,000
Projected sublease income			$ 4,700,000