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CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Aug. 31, 2017 | Aug. 31, 2016 | Aug. 31, 2015
Revenues: |  |  |
Net warehouse club sales | $ 2,910,062 | $ 2,820,740 | $ 2,721,132
Export sales | 34,244 | 33,813 | 33,279
Membership income | 47,743 | 45,781 | 43,673
Other income | 4,579 | 4,842 | 4,519
Total revenues | 2,996,628 | 2,905,176 | 2,802,603
Cost of goods sold: |  |  |
Net warehouse club | 2,487,146 | 2,417,366 | 2,321,074
Export | 32,606 | 32,260 | 31,765
Selling, general and administrative: |  |  |
Warehouse club operations | 268,629 | 252,130 | 241,285
General and administrative | 70,013 | 64,344 | 56,371
Pre-opening expenses | 44 | 1,191 | 3,737
Loss/(gain) on disposal of assets | 1,961 | 1,162 | 2,005
Total operating expenses | 2,860,399 | 2,768,453 | 2,656,237
Operating income | 136,229 | 136,723 | 146,366
Other income (expense): |  |  |
Interest income | 1,809 | 1,307 | 1,058
Interest expense | (6,777) | (5,891) | (6,440)
Other income (expense), net | 1,482 | (899) | (4,388)
Total other income (expense) | (3,486) | (5,483) | (9,770)
Income before provision for income taxes and income (loss) of unconsolidated affiliates | 132,743 | 131,240 | 136,596
Provision for income taxes | (42,018) | (42,849) | (47,566)
Income (loss) of unconsolidated affiliates | (1) | 332 | 94
Net income | $ 90,724 | $ 88,723 | $ 89,124
Net income per share available for distribution: |  |  |
Basic net income per share | $ 2.98 | $ 2.92 | $ 2.95
Diluted net income per share | $ 2.98 | $ 2.92 | $ 2.95
Shares used in per share computations: |  |  |
Basic | 30,020 | 29,928 | 29,848
Diluted | 30,023 | 29,933 | 29,855
Dividends per share | $ 0.70 | $ 0.70 | $ 0.70

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