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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The carrying value of goodwill by segment was as follows (in thousands):
| RF Technology |  | Medical & Scientific Imaging |  | Industrial Technology |  | Energy Systems & Controls |  | Total
Balances at December 31, 2015 | $ | 1,993,299 |  |  | $ | 3,039,197 |  |  | $ | 374,033 |  |  | $ | 418,197 |  |  | $ | 5,824,726 |
Goodwill acquired | 2,710,223 |  |  | 166,768 |  |  | — |  |  | — |  |  | 2,876,991 |
Currency translation adjustments | (15,118 | ) |  | (19,100 | ) |  | (10,055 | ) |  | (7,774 | ) |  | (52,047 | )
Reclassifications and other | (734 | ) |  | (1,794 | ) |  | — |  |  | — |  |  | (2,528 | )
Balances at December 31, 2016 | $ | 4,687,670 |  |  | $ | 3,185,071 |  |  | $ | 363,978 |  |  | $ | 410,423 |  |  | $ | 8,647,142 |
Goodwill acquired | 63,490 |  |  | — |  |  | — |  |  | 19,169 |  |  | 82,659 |
Currency translation adjustments | 19,337 |  |  | 17,582 |  |  | 13,540 |  |  | 8,395 |  |  | 58,854 |
Reclassifications and other | 28,394 |  |  | 3,264 |  |  | — |  |  | — |  |  | 31,658 |
Balances at December 31, 2017 | $ | 4,798,891 |  |  | $ | 3,205,917 |  |  | $ | 377,518 |  |  | $ | 437,987 |  |  | $ | 8,820,313 |
Other Intangible Assets | Other intangible assets were comprised of (in thousands):
| Cost |  | Accum. amort. |  | Net book value
Assets subject to amortization: |  |  |  |  |
Customer related intangibles | $ | 3,272,081 |  |  | $ | (712,718 | ) |  | $ | 2,559,363 |
Unpatented technology | 462,152 |  |  | (144,025 | ) |  | 318,127 |
Software | 184,761 |  |  | (56,882 | ) |  | 127,879 |
Patents and other protective rights | 24,656 |  |  | (20,399 | ) |  | 4,257 |
Trade names | 6,591 |  |  | (653 | ) |  | 5,938 |
Assets not subject to amortization: |  |  |  |  |  |  |  |
Trade names | 578,279 |  |  | — |  |  | 578,279 |
In process research and development | 62,000 |  |  | — |  |  | 62,000 |
Balances at December 31, 2016 | $ | 4,590,520 |  |  | $ | (934,677 | ) |  | $ | 3,655,843 |
Assets subject to amortization: |  |  |  |  |  |  |  |
Customer related intangibles | $ | 3,355,232 |  |  | $ | (913,680 | ) |  | $ | 2,441,552 |
Unpatented technology | 544,046 |  |  | (207,678 | ) |  | 336,368 |
Software | 184,703 |  |  | (84,825 | ) |  | 99,878 |
Patents and other protective rights | 26,090 |  |  | (22,729 | ) |  | 3,361 |
Trade names | 6,635 |  |  | (1,731 | ) |  | 4,904 |
Assets not subject to amortization: |  |  |  |  |  |  |  |
Trade names | 587,737 |  |  | — |  |  | 587,737 |
In process research and development | 1,418 |  |  | — |  |  | 1,418 |
Balances at December 31, 2017 | $ | 4,705,861 |  |  | $ | (1,230,643 | ) |  | $ | 3,475,218 |

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- Definition Disclosure of other intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization as applicable. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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