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Note 22 - Segmented Information - Operating Segments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Revenues | $ 2,275,362 | $ 1,896,724
Depreciation and amortization | 52,992 | 44,924
Operating Income (Loss) | 166,827 | 146,173
Other income, net | 500 | 2,417
Interest expense, net | (11,895) | (9,190)
Income tax expense | (63,300) | (47,829)
Net earnings | 92,132 | 91,571
Total assets | 1,441,925 | 1,190,271
Total additions to long-lived assets | 182,655 | 124,068
Operating Segments [Member] | Americas Segment [Member] |  |
Revenues | 1,310,551 | 1,021,317
Depreciation and amortization | 28,799 | 21,612
Operating Income (Loss) | 86,741 | 85,255
Other income, net |  |
Interest expense, net |  |
Income tax expense |  |
Net earnings |  |
Total assets | 694,138 | 555,758
Total additions to long-lived assets | 138,914 | 50,948
Operating Segments [Member] | EMEA Segment [Member] |  |
Revenues | 521,284 | 474,868
Depreciation and amortization | 16,624 | 15,121
Operating Income (Loss) | 47,920 | 34,275
Other income, net |  |
Interest expense, net |  |
Income tax expense |  |
Net earnings |  |
Total assets | 530,728 | 443,014
Total additions to long-lived assets | 28,773 | 67,325
Operating Segments [Member] | Asia Pacific Segment [Member] |  |
Revenues | 441,544 | 399,368
Depreciation and amortization | 5,914 | 5,479
Operating Income (Loss) | 55,698 | 45,614
Other income, net |  |
Interest expense, net |  |
Income tax expense |  |
Net earnings |  |
Total assets | 221,222 | 181,385
Total additions to long-lived assets | 9,876 | 4,654
Corporate, Non-Segment [Member] |  |
Revenues | 1,983 | 1,171
Depreciation and amortization | 1,655 | 2,712
Operating Income (Loss) | (23,532) | (18,971)
Other income, net |  |
Interest expense, net |  |
Income tax expense |  |
Net earnings |  |
Total assets | (4,163) | 10,114
Total additions to long-lived assets | $ 5,092 | $ 1,141

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