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Segment Information - Geographic Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 28, 2018 | Apr. 29, 2017 | Apr. 30, 2016
Geographic Information |  |  |
Long-lived assets | $ 275,449 | $ 262,989 | $ 218,464
Geographic concentration | Sales |  |  |
Geographic Information |  |  |
Percentage of sales | 100.00% | 100.00% | 100.00%
Domestic/United States |  |  |
Geographic Information |  |  |
Long-lived assets | $ 251,778 | $ 239,198 | $ 211,021
Domestic/United States | Geographic concentration | Sales |  |  |
Geographic Information |  |  |
Percentage of sales | 87.00% | 88.00% | 89.00%
International |  |  |
Geographic Information |  |  |
Long-lived assets | $ 23,671 | $ 23,791 | $ 7,443
Canada | Geographic concentration | Sales |  |  |
Geographic Information |  |  |
Percentage of sales | 7.00% | 7.00% | 7.00%
Other | Geographic concentration | Sales |  |  |
Geographic Information |  |  |
Percentage of sales | 6.00% | 5.00% | 4.00%

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