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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Minimum ownership of entities that do not have a non-controlling interest (in hundredths) | 100.00% |  |
Research and development expense | $ 67,153 | $ 66,842 | $ 64,193
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 | $ 301 | 61 | (152)
Property, Plant and Equipment [Line Items] |  |  |
Estimated cost to complete construction in progress | 79,000 |  |
Depreciation expense | 148,883 | 144,521 | 154,340
Cash and investments restricted for potential insurance claims | 9,438 | 10,211 |
Outstanding claim accrual | $ 560 | 0 |
Minimum [Member] | Software [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 3 years |  |
Minimum [Member] | Customer Relationships [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 5 years |  |
Minimum [Member] | Patents and acquired technology [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 7 years |  |
Minimum [Member] | Noncompete Agreements [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 3 years |  |
Maximum [Member] | Software [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 10 years |  |
Maximum [Member] | Customer Relationships [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 20 years |  |
Maximum [Member] | Patents and acquired technology [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 25 years |  |
Maximum [Member] | Noncompete Agreements [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Finite-Lived Intangible Assets, Useful Life | 10 years |  |
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 |  |
Accounting Standards Update 2014-09 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New accounting pronouncement future impact on net revenues | $ 4,154 | 6,103 |
New accounting pronouncement future impact on retained earnings |  |  | 2,500
Accounting Standards Update 2016-01 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New accounting pronouncement future impact on retained earnings |  |  | $ 1,801
Accounting standards Update 2017-07 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New accounting pronouncement future impact on costs of products sold | 3,497 | 4,040 |
New accounting pronouncement future impact on SG&A expense | $ 8,919 | $ 11,981 |

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