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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill for the six months ended June 30, 2020, by reportable business segment, were as follows:
| FMT |  | HST |  | FSDP |  | IDEX
Goodwill | $ | 599,646 |  |  | $ | 981,592 |  |  | $ | 399,138 |  |  | $ | 1,980,376 |
Accumulated goodwill impairment losses | (20,721) |  |  | (149,820) |  |  | (30,090) |  |  | (200,631) |
Balance at December 31, 2019 | 578,925 |  |  | 831,772 |  |  | 369,048 |  |  | 1,779,745 |
Foreign currency translation | 217 |  |  | (1,946) |  |  | (91) |  |  | (1,820) |
Acquisitions | 63,007 |  |  | — |  |  | — |  |  | 63,007 |
Acquisition adjustments | — |  |  | 1,798 |  |  | — |  |  | 1,798 |
Balance at June 30, 2020 | $ | 642,149 |  |  | $ | 831,624 |  |  | $ | 368,957 |  |  | $ | 1,842,730 |
Schedule of Gross Carrying Value and Accumulated Amortization For Each Major Class of Intangible Asset | The following table provides the gross carrying value and accumulated amortization for each major class of intangible asset at June 30, 2020 and December 31, 2019:
| At June 30, 2020 |  |  |  |  |  |  |  | At December 31, 2019 |  |  |  |
| Gross Carrying Amount |  | Accumulated Amortization |  | Net |  | Weighted Average Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net
Amortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Patents | $ | 4,382 |  |  | $ | (3,135) |  |  | $ | 1,247 |  |  | 12 |  | $ | 6,678 |  |  | $ | (5,276) |  |  | $ | 1,402 |
Trade names | 126,703 |  |  | (66,739) |  |  | 59,964 |  |  | 16 |  | 123,062 |  |  | (64,938) |  |  | 58,124 |
Customer relationships | 308,347 |  |  | (107,600) |  |  | 200,747 |  |  | 13 |  | 275,575 |  |  | (96,252) |  |  | 179,323 |
Unpatented technology | 117,216 |  |  | (47,933) |  |  | 69,283 |  |  | 13 |  | 101,721 |  |  | (43,561) |  |  | 58,160 |
Other | 700 |  |  | (613) |  |  | 87 |  |  | 10 |  | 700 |  |  | (578) |  |  | 122 |
Total amortized intangible assets | 557,348 |  |  | (226,020) |  |  | 331,328 |  |  |  |  | 507,736 |  |  | (210,605) |  |  | 297,131 |
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Banjo trade name | 62,100 |  |  | — |  |  | 62,100 |  |  |  |  | 62,100 |  |  | — |  |  | 62,100 |
Akron Brass trade name | 28,800 |  |  | — |  |  | 28,800 |  |  |  |  | 28,800 |  |  | — |  |  | 28,800 |
Total intangible assets | $ | 648,248 |  |  | $ | (226,020) |  |  | $ | 422,228 |  |  |  |  | $ | 598,636 |  |  | $ | (210,605) |  |  | $ | 388,031 |

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