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Note 2 - Correction of Immaterial Errors (Tables) | 12 Months Ended
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Apr. 30, 2014
Annual Error Correction for Income Statement [Member] |
Note 2 - Correction of Immaterial Errors (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
|  | Year ended April 30, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
|  | As Previously Reported |  |  | As Adjusted |  |  | As Previously Reported |  |  | As Adjusted |  |  | As Previously Reported |  |  | As Adjusted |
Cost of goods sold |  | $ | 6,605,996 |  |  | $ | 6,618,239 |  |  | $ | 6,168,475 |  |  | $ | 6,179,771 |  |  | $ | 5,984,114 |  |  | $ | 5,987,659 |
Interest, net |  |  | 39,270 |  |  |  | 39,915 |  |  |  | 35,048 |  |  |  | 35,265 |  |  |  | 35,192 |  |  |  | 35,192 |
Federal and state income taxes |  |  | 72,018 |  |  |  | 66,824 |  |  |  | 64,504 |  |  |  | 59,802 |  |  |  | 66,724 |  |  |  | 65,276 |
Net income |  |  | 134,514 |  |  |  | 126,820 |  |  |  | 110,625 |  |  |  | 103,814 |  |  |  | 116,791 |  |  |  | 114,694 |
Net income per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 3.50 |  |  | $ | 3.30 |  |  | $ | 2.89 |  |  | $ | 2.71 |  |  | $ | 3.07 |  |  | $ | 3.01 |
Diluted |  | $ | 3.46 |  |  | $ | 3.26 |  |  | $ | 2.86 |  |  | $ | 2.69 |  |  | $ | 3.04 |  |  | $ | 2.99 |
Annual Error Correction for Balance Sheet [Member] |
Note 2 - Correction of Immaterial Errors (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
|  | As of April 30, |
|  | 2014 |  |  | 2013 |
|  | As Previously Reported |  |  | As Adjusted |  |  | As Previously Reported |  |  | As Adjusted |
Deferred income taxes (asset) |  | $ | 11,878 |  |  | $ | 23,292 |  |  | $ | 9,916 |  |  | $ | 16,066 |
Accrued expenses other |  |  | 33,171 |  |  |  | 61,117 |  |  |  | 29,436 |  |  |  | 44,494 |
Deferred income taxes (liability) |  |  | 317,953 |  |  |  | 318,023 |  |  |  | 293,708 |  |  |  | 293,708 |
Retained earnings |  |  | 685,988 |  |  |  | 669,386 |  |  |  | 579,176 |  |  |  | 570,268 |
Total shareholders’ equity |  |  | 719,866 |  |  |  | 703,264 |  |  |  | 602,295 |  |  |  | 593,387 |
Annual Error Correction for Cash Flow Statement [Member] |
Note 2 - Correction of Immaterial Errors (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
|  | Years ended April 30, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
|  | As Previously Reported |  |  | As Adjusted |  |  | As Previously Reported |  |  | As Adjusted |  |  | As Previously Reported |  |  | As Adjusted |
Net income |  | $ | 134,514 |  |  | $ | 126,820 |  |  | $ | 110,625 |  |  | $ | 103,814 |  |  | $ | 116,791 |  |  | $ | 114,694 |
Deferred income taxes |  |  | 22,283 |  |  |  | 17,089 |  |  |  | 36,530 |  |  |  | 31,828 |  |  |  | 54,589 |  |  |  | 53,141 |
Accrued expenses |  |  | 20,930 |  |  |  | 33,818 |  |  |  | 4,270 |  |  |  | 15,783 |  |  |  | 7,399 |  |  |  | 10,944 |
Quarterly Error Correction for Income Statement [Member] |
Note 2 - Correction of Immaterial Errors (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
|  | Three months ended 7/31/13 |  |  | Three months ended 10/31/13 |  |  | Six months ended 10/31/13 |
|  | As Previously reported |  |  | As Adjusted |  |  | As Previously reported |  |  | As Adjusted |  |  | As Previously reported |  |  | As Adjusted |
Cost of goods sold |  | $ | 1,769,239 |  |  |  | 1,772,328 |  |  | $ | 1,693,584 |  |  |  | 1,696,600 |  |  | $ | 3,462,823 |  |  |  | 3,468,928 |
Interest, net |  |  | 9,456 |  |  |  | 9,576 |  |  |  | 9,748 |  |  |  | 9,896 |  |  |  | 19,204 |  |  |  | 19,472 |
Federal and state income taxes |  |  | 33,869 |  |  |  | 32,575 |  |  |  | 22,289 |  |  |  | 21,014 |  |  |  | 56,158 |  |  |  | 53,589 |
Net income |  |  | 55,710 |  |  |  | 53,795 |  |  |  | 41,319 |  |  |  | 39,430 |  |  |  | 97,029 |  |  |  | 93,225 |
Net income per |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.45 |  |  |  | 1.40 |  |  | $ | 1.07 |  |  |  | 1.03 |  |  | $ | 2.53 |  |  |  | 2.43 |
Diluted |  | $ | 1.43 |  |  |  | 1.39 |  |  | $ | 1.06 |  |  |  | 1.01 |  |  | $ | 2.50 |  |  |  | 2.40 |
|  | Three months ended 1/31/14 |  |  | Nine months ended 1/31/14 |
|  | As Previously reported |  |  | As Adjusted |  |  | As Previously reported |  |  | As Adjusted |
Cost of goods sold |  | $ | 1,510,182 |  |  |  | 1,513,365 |  |  | $ | 4,973,005 |  |  |  | 4,982,293 |
Interest, net |  |  | 9,947 |  |  |  | 10,123 |  |  |  | 29,151 |  |  |  | 29,595 |
Federal and state income taxes |  |  | 7,899 |  |  |  | 6,556 |  |  |  | 64,057 |  |  |  | 60,145 |
Net income |  |  | 14,669 |  |  |  | 12,653 |  |  |  | 111,698 |  |  |  | 105,878 |
Net income per |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.38 |  |  |  | 0.33 |  |  | $ | 2.91 |  |  |  | 2.76 |
Diluted |  | $ | 0.38 |  |  |  | 0.33 |  |  | $ | 2.87 |  |  |  | 2.73 |
Quarterly Error Correction for Cash Flow Statement [Member] |
Note 2 - Correction of Immaterial Errors (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
|  | Three months ended 7/31/13 |  |  | Six months ended 10/31/13 |  |  | Nine months ended 1/31/14 |
|  | As Previously reported |  |  | As Adjusted |  |  | As Previously reported |  |  | As Adjusted |  |  | As Previously reported |  |  | As Adjusted |
Net income |  | $ | 55,710 |  |  |  | 53,795 |  |  | $ | 97,029 |  |  |  | 93,225 |  |  | $ | 111,698 |  |  |  | 105,878 |
Deferred income taxes |  |  | 3,122 |  |  |  | 1,828 |  |  |  | 11,202 |  |  |  | 8,633 |  |  |  | 14,030 |  |  |  | 10,118 |
Accrued expenses |  |  | 20,005 |  |  |  | 23,214 |  |  |  | 12,904 |  |  |  | 19,277 |  |  |  | 18,933 |  |  |  | 28,665 |

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- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28359718&loc=d3e22644-107794 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=28359718&loc=d3e22663-107794 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=28359718&loc=d3e22658-107794 + Details
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