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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Summary of Significant Accounting Policies [Abstract] |  |  |
Minimum ownership of entities that do not have a non-controlling interest (in hundredths) | 100.00% |  |
Royalty revenues | $ 259 | $ 3,323 | $ 4,525
Research and development expense | $ 66,842 | 64,193 | 65,299
Minimum number of months until maturity from original purchase date for a highly liquid investment to be considered a short-term investment (in months) | 3 months |  |
Bad debt expense | $ 61 | (152) | (424)
Property, Plant and Equipment [Line Items] |  |  |
Estimated cost to complete construction in progress | 43,383 |  |
Depreciation expense | 144,521 | 154,340 | $ 160,804
Finite-Lived Intangible Assets [Line Items] |  |  |
Cash and investments restricted for potential insurance claims | 10,211 | 11,627 |
Outstanding claim accrual | $ 0 | $ 5,000 |
Machinery and Equipment [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful Life | 7 years |  |
Machinery and Equipment [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful Life | 10 years |  |
Building and Building Improvements [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful Life | 20 years |  |
Building and Building Improvements [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful Life | 40 years |  |
Patents and Acquired Technology [Member] | Minimum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 7 years |  |
Patents and Acquired Technology [Member] | Maximum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 25 years |  |
Capitalized Software [Member] | Minimum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 3 years |  |
Capitalized Software [Member] | Maximum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 10 years |  |
Customer Relationships [Member] | Minimum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 5 years |  |
Customer Relationships [Member] | Maximum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 20 years |  |
Non-competition Agreements [Member] | Minimum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 3 years |  |
Non-competition Agreements [Member] | Maximum [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 10 years |  |

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