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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] | The following table represents the changes in goodwill by segment:
| Energy & Chemicals |  | Distribution & Storage |  | BioMedical |  | Total
Balance at December 31, 2016 | $ | 27,873 |  |  | $ | 165,520 |  |  | $ | 24,577 |  |  | $ | 217,970 |
Foreign currency translation adjustments and other | — |  |  | 2,214 |  |  | (104 | ) |  | 2,110 |
Goodwill acquired during the year | 236,246 |  |  | 1,155 |  |  | — |  |  | 237,401 |
Balance at September 30, 2017 | $ | 264,119 |  |  | $ | 168,889 |  |  | $ | 24,473 |  |  | $ | 457,481 |
Accumulated goodwill impairment loss at September 30, 2017 and December 31, 2016 | $ | 64,603 |  |  | $ | — |  |  | $ | 131,243 |  |  | $ | 195,846 |
Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Table Text Block] | The following table displays the gross carrying amount and accumulated amortization for finite-lived intangible assets and indefinite-lived intangible assets (exclusive of goodwill)(1) (2):
|  |  | September 30, 2017 |  | December 31, 2016
| Weighted-average Estimated Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Gross Carrying Amount |  | Accumulated Amortization
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |
Customer relationships | 12 years |  | $ | 233,208 |  |  | $ | (83,596 | ) |  | $ | 119,320 |  |  | $ | (81,614 | )
Unpatented technology | 12 years |  | 27,686 |  |  | (3,836 | ) |  | 8,186 |  |  | (3,132 | )
Land use rights | 50 years |  | 13,222 |  |  | (1,097 | ) |  | 12,650 |  |  | (860 | )
Trademarks and trade names | 14 years |  | 5,517 |  |  | (2,767 | ) |  | 4,918 |  |  | (2,198 | )
Patents and other | 6 years |  | 2,878 |  |  | (502 | ) |  | 1,235 |  |  | (695 | )
Total finite-lived intangible assets | 14 years |  | $ | 282,511 |  |  | $ | (91,798 | ) |  | $ | 146,309 |  |  | $ | (88,499 | )
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |
Trademarks and trade names |  |  | $ | 108,165 |  |  | — |  |  | $ | 35,633 |  |  | — |
Total intangible assets |  |  | $ | 390,676 |  |  | $ | (91,798 | ) |  | $ | 181,942 |  |  | $ | (88,499 | )
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(1) | Amounts include the impact of foreign currency translation. Fully amortized amounts are written off.
(2) | The Company amortizes certain identifiable intangible assets primarily on a straight-line basis over their estimated useful lives, which range from one to 50 years.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | The Company estimates future amortization expense for its current finite-lived intangible assets as follows:
For the Year Ending December 31, |
2017 | $ | 15,700 |
2018 | 24,400 |
2019 | 24,100 |
2020 | 22,200 |
2021 | 16,100 |
Schedule of Government Grants [Table Text Block] | Government grants at September 30, 2017 and December 31, 2016 are as follows:
| September 30, 2017 |  | December 31, 2016
Current | $ | 481 |  |  | $ | 446 |
Long-term | 8,378 |  |  | 8,153 |
Total government grants | $ | 8,859 |  |  | $ | 8,599 |

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