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Goodwill and Intangible Assets (Detail) - (Table 1) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Goodwill [Roll Forward] |  |  |
Goodwill – net | $ 148,538 | $ 135,711 |
Wholesale Footwear [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill – net | 84,862 | 72,261 | $ 73,018
Goodwill, Foreign Currency Translation Gain (Loss) | 719 | (757) |
Acquisition of SM Canada | 11,882 |  |
Wholesale Accessories [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill – net | 49,324 | 49,324 | 49,324
Goodwill, Foreign Currency Translation Gain (Loss) |  | 0 |
Retail [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill – net | 14,352 | 14,126 | 14,755
Goodwill, Foreign Currency Translation Gain (Loss) | 226 | (629) |
Net Carrying Amount [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill – net | 148,538 | 135,711 | $ 137,097
Goodwill, Foreign Currency Translation Gain (Loss) | $ 945 | $ (1,386) |

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