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Commitments and Contingencies (Details) $ in Thousands |  |  |  | 3 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 16, 2013 USD ($) | Dec. 15, 2009 USD ($) ft² | Jun. 29, 2009 USD ($) | Sep. 30, 2011 | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Jan. 31, 2013 ft² | Sep. 29, 2012 USD ($) | Nov. 04, 2011 USD ($) ft² | Sep. 29, 2011 ft² | Mar. 08, 2010 ft² | Jul. 10, 2009 USD ($)
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense related to imputed financing obligation |  |  |  |  | $ 4,400 | $ 4,500 | $ 4,500 |  |  |  |  |  |  |
Current and Long Term, Imputed Financing Obligation |  |  |  |  | 38,900 | 39,300 |  |  |  |  |  |  |  |
Capitalized property plant and equipment |  |  |  |  | 40,320 | 40,320 |  |  |  |  |  |  |  |
Restructuring charges |  |  |  |  | 0 | 3,576 | 39 |  |  |  |  |  |  |
Convertible notes | 5% Convertible Senior Notes due 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Face Value |  |  | $ 150,000 |  |  |  |  |  |  |  |  |  |  | $ 22,500
Debt discount amortization period |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Convertible notes | 1.125% Convertible Senior Notes due 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Face Value | $ 138,000 |  |  |  | 138,000 | 138,000 |  |  |  |  |  |  |  |
Unamortized discount |  |  |  |  | 10,913 | 17,099 |  |  |  |  |  |  |  |
Unamortized Debt Issuance Expense |  |  |  |  | $ 920 | $ 1,483 |  |  |  |  |  |  |  |
Debt discount amortization period | 5 years |  |  |  | 20 months |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Member] | 5% Convertible Senior Notes due 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  |  |  |  |  | $ 172,500 |  |  |  |  |  |  |
Facility Closing [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |  | $ 2,000 |  |  |  |  |  |
Sunnyvale Facility, Original agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options |  | 2 |  |  |  |  |  |  |  |  |  |  |  |
Period for extension of lease (in months) |  | 60 months |  |  |  |  |  |  |  |  |  |  |  |
Operating Lease Commitment Termination Period |  | 84 months |  |  |  |  |  |  |  |  |  |  |  |
Total reimbursement receivable under lease agreement |  | $ 9,100 |  |  |  |  |  |  |  |  |  |  |  |
Total space under lease (in square feet) | ft² |  | 125,000 |  |  |  |  |  |  |  |  |  |  |  |
Sunnyvale Facility, First Amended |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total reimbursement receivable under lease agreement |  |  |  |  |  |  |  |  |  |  | $ 1,700 |  |  |
Total space under lease (in square feet) | ft² |  |  |  |  |  |  |  |  | 31,000 |  | 31,000 |  |  |
Sunnyvale Facility, Second Amended |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total reimbursement receivable under lease agreement |  |  |  |  |  |  |  |  |  | $ 1,500 |  |  |  |
Ohio Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period for extension of lease (in months) |  |  |  | 60 months |  |  |  |  |  |  |  |  |  |
Total space under lease (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  | 51,000 |  |
Fogg-Brecksville Development Co., Original |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total space under lease (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  |  | 25,000 |

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- Definition The unamortized amount of current and long-term liabilities that an Entity assumes in consideration for the estimated fair value of the Entity's share of buildings in the build out of leased facilities plus any tenant improvement allowance received from landlords. As the Entity retains sufficient continuing involvement following the completion of construction, for accounting purposes, the Entity is treated as the owner of the leased facilities and to record an imputed financing obligation for its obligation to the legal owners. + References No definition available. + Details
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