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Segment Reporting (Schedule of Automotive Customers Individually Accounted For 10% or More of Net Sales) (Details) - automotive_customer | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenue, Major Customer [Line Items] |  |  |
Percentage net sales invoiced and paid in foreign currencies | 7.00% | 6.00% | 6.00%
Number of customers which individually accounted for 10% or more of net sales | 3 |  |
Percentage of net sales five automotive customers individually accounted for | 10.00% |  |
Customer concentration risk | Toyota Motor Corporation |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of revenue individually accounted by customers (less than 10% in 2014 for Ford Motor Company and less than 10% for Daimler AG in 2016 and 2015 and less than 10% for FCA Group in 2016 and 2015) | 11.00% | 11.00% | 12.00%
Customer concentration risk | Volkswagen Group |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of revenue individually accounted by customers (less than 10% in 2014 for Ford Motor Company and less than 10% for Daimler AG in 2016 and 2015 and less than 10% for FCA Group in 2016 and 2015) | 14.00% | 14.00% | 14.00%
Customer concentration risk | Ford Motor Company |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of revenue individually accounted by customers (less than 10% in 2014 for Ford Motor Company and less than 10% for Daimler AG in 2016 and 2015 and less than 10% for FCA Group in 2016 and 2015) | 11.00% | 11.00% | 10.00%
Customer concentration risk | Daimler AG |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of revenue individually accounted by customers (less than 10% in 2014 for Ford Motor Company and less than 10% for Daimler AG in 2016 and 2015 and less than 10% for FCA Group in 2016 and 2015) | 10.00% | 10.00% | 10.00%
Customer concentration risk | FCA Group |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of revenue individually accounted by customers (less than 10% in 2014 for Ford Motor Company and less than 10% for Daimler AG in 2016 and 2015 and less than 10% for FCA Group in 2016 and 2015) | 10.00% | 10.00% | 11.00%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
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