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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 |  |  |  |

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