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Intangible Assets (Tables) | 3 Months Ended
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Mar. 29, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block] |
| Amortizing intangible assets are comprised of the following (in thousands):
| At | March 29, 2013 |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Foreign Currency Translation |  |  | Net Carrying Amount
| Technology and patents | $ | 95,576 |  | $ | (63,574) |  | $ | 1,665 |  | $ | 33,667
| Customer lists |  | 68,257 |  |  | (20,367) |  |  | 778 |  |  | 48,668
| Other |  | 4,434 |  |  | (4,356) |  |  | 804 |  |  | 882
| Total amortizing intangible assets | $ | 168,267 |  | $ | (88,297) |  | $ | 3,247 |  | $ | 83,217
| At | December 28, 2012 |  |  |  |  |  |  |  |  |  |  |
| Technology and patents | $ | 95,576 |  | $ | (61,659) |  | $ | 1,932 |  | $ | 35,849
| Customer lists |  | 68,257 |  |  | (18,929) |  |  | 1,270 |  |  | 50,598
| Other |  | 4,434 |  |  | (4,341) |  |  | 805 |  |  | 898
| Total amortizing intangible assets | $ | 168,267 |  | $ | (84,929) |  | $ | 4,007 |  | $ | 87,345
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Table Text Block] |
| Aggregate intangible asset amortization expense is comprised of the following (in thousands):
|  | Three Months Ended |
|  | March 29, |  | March 30, |
|  | 2013 |  | 2012 |
| Cost of sales | $ | 1,780 |  | $ | 1,895 |
| Selling, general and administrative expenses |  | 1,452 |  |  | 1,561 |
| Research, development and engineering costs, net |  | 136 |  |  | 136 |
| Total intangible asset amortization expense | $ | 3,368 |  | $ | 3,592 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
| Estimated future intangible asset amortization expense based on the current carrying value is as follows (in thousands):
|  |  | Estimated |
|  |  | Amortization |
|  |  | Expense |
| Remainder of | 2013 | $ | 9,771 |
| 2014 |  | 13,364 |
| 2015 |  | 12,313 |
| 2016 |  | 10,018 |
| 2017 |  | 8,895 |
| Thereafter |  | 28,856 |
| Total estimated amortization expense | $ | 83,217 |
Schedule of Intangible Assets Goodwill [Table Text Block] |
| Indefinite-lived intangible assets are comprised of the following (in thousands):
|  |  |  | Trademarks and Tradenames |  |  | IPR&D |  |  | Total
| At | December 28, 2012 | $ | 20,288 |  | $ | 540 |  | $ | 20,828
| At March 29, 2013 | $ | 20,288 |  | $ | 540 |  | $ | 20,828
| The change in goodwill is as follows (in thousands):
|  |  |  | Implantable Medical |  |  | Electrochem |  |  | Total
| At | December 28, 2012 | $ | 307,201 |  | $ | 41,834 |  | $ | 349,035
| Goodwill disposed (Note 9) |  | (2,771) |  |  | 0 |  |  | (2,771)
| Foreign currency translation |  | (1,593) |  |  | 0 |  |  | (1,593)
| At | March 29, 2013 | $ | 302,837 |  | $ | 41,834 |  | $ | 344,671

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References No definition available. + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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