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NET INCOME PER SHARE ATTRIBUTABLE TO HEICO SHAREHOLDERS (Tables) | 9 Months Ended
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Jul. 31, 2017
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The computation of basic and diluted net income per share attributable to HEICO shareholders is as follows (in thousands, except per share data):
|  | Nine months ended July 31, |  | Three months ended July 31,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Numerator: |  |  |  |  |  |  |  |
Net income attributable to HEICO |  |  | $132,311 |  |  |  | $111,930 |  |  |  | $45,698 |  |  |  | $42,002 |
Denominator: |  |  |  |  |  |  |  |
Weighted average common shares outstanding - basic |  | 84,235 |  |  | 83,718 |  |  | 84,343 |  |  | 83,908 |
Effect of dilutive stock options |  | 2,410 |  |  | 1,384 |  |  | 2,550 |  |  | 1,440 |
Weighted average common shares outstanding - diluted |  | 86,645 |  |  | 85,102 |  |  | 86,893 |  |  | 85,348 |
Net income per share attributable to HEICO shareholders: |  |  |  |  |  |  |  |
Basic |  |  | $1.57 |  |  |  | $1.34 |  |  |  | $.54 |  |  |  | $.50 |
Diluted |  |  | $1.53 |  |  |  | $1.32 |  |  |  | $.53 |  |  |  | $.49 |
Anti-dilutive stock options excluded |  | 446 |  |  | 844 |  |  | 706 |  |  | 717 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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