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CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
May 31, 2017 | May 31, 2016 | May 31, 2017 | May 31, 2016
Revenues: |  |  |  |
Net warehouse club sales | $ 710,699 | $ 684,547 | $ 2,199,051 | $ 2,134,365
Export sales | 6,475 | 7,091 | 25,381 | 21,872
Membership income | 12,038 | 11,475 | 35,581 | 34,226
Other income | 1,046 | 1,149 | 3,113 | 3,661
Total revenues | 730,258 | 704,262 | 2,263,126 | 2,194,124
Cost of goods sold: |  |  |  |
Net warehouse club | 611,455 | 590,500 | 1,879,747 | 1,832,183
Export | 6,143 | 6,742 | 24,085 | 20,799
Selling, general and administrative: |  |  |  |
Warehouse club operations | 67,754 | 62,745 | 200,964 | 188,348
General and administrative | 16,907 | 16,439 | 51,921 | 48,086
Pre-opening expenses | 9 | 13 | (104) | 389
Loss/(gain) on disposal of assets | 364 | 334 | 1,106 | 399
Total operating expenses | 702,632 | 676,773 | 2,157,719 | 2,090,204
Operating income | 27,626 | 27,489 | 105,407 | 103,920
Other income (expense): |  |  |  |
Interest income | 392 | 322 | 1,443 | 780
Interest expense | (1,828) | (1,571) | (5,126) | (4,480)
Other income (expense), net | 1,101 | (222) | 1,088 | (1,018)
Total other income (expense) | (335) | (1,471) | (2,595) | (4,718)
Income before provision for income taxes and income (loss) of unconsolidated affiliates | 27,291 | 26,018 | 102,812 | 99,202
Provision for income taxes | (8,459) | (9,168) | (31,885) | (33,113)
Income (loss) of unconsolidated affiliates | 6 | (13) | (1) | 362
Net income | $ 18,838 | $ 16,837 | $ 70,926 | $ 66,451
Net income per share available for distribution: |  |  |  |
Basic net income per share | $ 0.62 | $ 0.55 | $ 2.34 | $ 2.19
Diluted net income per share | $ 0.62 | $ 0.55 | $ 2.34 | $ 2.19
Shares used in per share computations: |  |  |  |
Basic | 30,043 | 29,951 | 30,010 | 29,918
Diluted | 30,045 | 29,955 | 30,014 | 29,923
Dividends per share |  |  | $ 0.70 | $ 0.70

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