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Consolidated Statements of Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2016 | Apr. 30, 2015 | Apr. 30, 2014
Income Statement [Abstract] |  |  |
Net sales | $ 947,045 | $ 825,465 | $ 726,515
Cost of sales and distribution | 747,351 | 672,933 | 602,338
Gross Profit | 199,694 | 152,532 | 124,177
Selling and marketing expenses | 66,489 | 64,304 | 59,536
General and administrative expenses | 40,045 | 33,773 | 30,881
Restructuring charges, net | 0 | (240) | (234)
Insurance proceeds | 0 | 0 | (94)
Operating Income | 93,160 | 54,695 | 34,088
Interest expense | 378 | 515 | 728
Other income | 996 | (207) | (310)
Income Before Income Taxes | 91,786 | 54,387 | 33,670
Income tax expense | 33,063 | 18,888 | 13,209
Net Income | $ 58,723 | $ 35,499 | $ 20,461
Earnings per share |  |  |
Basic (usd per share) | $ 3.61 | $ 2.25 | $ 1.34
Diluted (usd per share) | $ 3.57 | $ 2.21 | $ 1.31

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