Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 31, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2009	Dec. 31, 2008
Leases
Total rental expense under operating leases									$ 29,327	$ 29,667	$ 26,351
Future minimum lease payments for operating leases [Abstract]
2014	26,943								26,943
2015	21,776								21,776
2016	16,399								16,399
2017	12,336								12,336
2018	1,837								1,837
Thereafter	2,798								2,798
Capital lease obligations	11								11
Environmental Matters
Accrued environmental liabilities	21,994								21,994
Accrued environmental liabilities, current	11,121								11,121
Accrued environmental liabilities, noncurrent	10,873								10,873
Estimated purchase commitments [Abstract]
2014	40,319								40,319
2015	45,030								45,030
2016	46,303								46,303
2017	35,461								35,461
2018	0								0
Actual purchases from subcontractors									47,878
Executive Employment Agreements
Period of royalty payment following termination of employment (in years)									10 years
Royalty Payment Percentage (in hundredths)									5.00%
Present value of royalties, minimum													370,000
Present value of royalties, maximum													445,000
Executive payment made upon amended and restated agreement												10,000
Annual Executive Payment									10,000
Executive compensation credit	0	0	1,778	0	0	0	0	0	(1,778)	0	5,762
Executive employment agreement liability, current	10,000								10,000
Dr. Felix Zandman [Member]
Executive Employment Agreements
Executive compensation credit											3,889
Dr. Lior Yahalomi [Member]
Executive Employment Agreements
Executive compensation credit											1,873
General Semiconductor [Member]
Environmental Matters
Accrued environmental liabilities	11,855								11,855
Other Sites [Member]
Environmental Matters
Accrued environmental liabilities	$ 10,139								$ 10,139