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Note 9 - Goodwill | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Goodwill Disclosure [Text Block] |
9. | Goodwill
|  |  | Americas |  |  |  | EMEA |  |  |  | Asia Pacific |  |  |  | Consolidated |
Balance, December 31, 2015 |  | $ | 106,797 |  |  |  | 154,356 |  |  |  | 44,527 |  |  |  | 305,680 |
Goodwill acquired during the year |  |  | 19,665 |  |  |  | 33,289 |  |  |  | - |  |  |  | 52,954 |
Other items |  |  | (603 | ) |  |  | (266 | ) |  |  | - |  |  |  | (869 | )
Foreign exchange |  |  | 558 |  |  |  | (10,236 | ) |  |  | (81 | ) |  |  | (9,759 | )
Balance, December 31, 2016 |  |  | 126,417 |  |  |  | 177,143 |  |  |  | 44,446 |  |  |  | 348,006 |
Goodwill acquired during the year |  |  | 62,938 |  |  |  | 13,672 |  |  |  | 1,961 |  |  |  | 78,571 |
Other items |  |  | 1,175 |  |  |  | - |  |  |  | - |  |  |  | 1,175 |
Foreign exchange |  |  | 48 |  |  |  | 24,071 |  |  |  | 3,259 |  |  |  | 27,378 |
Balance, December 31, 2017 |  |  | 190,578 |  |  |  | 214,886 |  |  |  | 49,666 |  |  |  | 455,130 |
Goodwill |  |  | 216,849 |  |  |  | 218,198 |  |  |  | 49,666 |  |  |  | 484,713 |
Accumulated impairment loss |  |  | (26,271 | ) |  |  | (3,312 | ) |  |  | - |  |  |  | (29,583 | )
|  | $ | 190,578 |  |  | $ | 214,886 |  |  | $ | 49,666 |  |  | $ | 455,130 |
A test for goodwill impairment is required to be completed annually, in the Company’s case as of August 1, or more frequently if events or changes in circumstances indicate the asset might be impaired. No goodwill impairments were identified in 2017 or 2016. The accumulated impairment loss reflects a goodwill impairment incurred in 2009.

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- Definition The entire disclosure for goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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