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Consolidated Statements Of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Apr. 30, 2013 | Apr. 30, 2012 | Apr. 30, 2011
Consolidated Statements Of Earnings [Abstract] |  |  |  |  |
Total revenue | $ 7,250,840 |  | $ 6,987,804 |  | $ 5,635,240
Cost of goods sold (exclusive of depreciation and amortization, shown separately below) | 6,168,475 |  | 5,984,114 |  | 4,754,173
Gross profit | 1,082,365 | [1] | 1,003,690 | [1] | 881,067
Operating expenses | 760,365 |  | 688,431 |  | 607,628
Depreciation and amortization | 111,823 |  | 96,552 |  | 82,355
Interest, net | 35,048 |  | 35,192 |  | 28,497
Loss on early retirement of debt |  |  |  |  | 11,350
Earnings before income taxes | 175,129 |  | 183,515 |  | 151,237
Federal and state income taxes | 64,504 |  | 66,724 |  | 56,614
Net earnings | $ 110,625 |  | $ 116,791 |  | $ 94,623
Earnings per common share |  |  |  |  |
Basic | $ 2.89 |  | $ 3.07 |  | $ 2.24
Diluted | $ 2.86 |  | $ 3.04 |  | $ 2.22
[1] | Gross profit is given before charge for depreciation and amortization and credit card fees.

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