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NET INCOME PER SHARE ATTRIBUTABLE TO HEICO SHAREHOLDERS (Tables) | 12 Months Ended
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Oct. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share [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):
| Year ended October 31,
| 2018 |  | 2017 |  | 2016
Numerator: |  |  |  |  |
Net income attributable to HEICO |  | $259,233 |  |  |  | $185,985 |  |  |  | $156,192 |
Denominator: |  |  |  |  |
Weighted average common shares outstanding - basic | 132,543 |  |  | 131,703 |  |  | 130,948 |
Effect of dilutive stock options | 4,153 |  |  | 3,885 |  |  | 2,197 |
Weighted average common shares outstanding - diluted | 136,696 |  |  | 135,588 |  |  | 133,145 |
Net income per share attributable to HEICO shareholders: |  |  |  |  |
Basic |  | $1.96 |  |  |  | $1.41 |  |  |  | $1.19 |
Diluted |  | $1.90 |  |  |  | $1.37 |  |  |  | $1.17 |
Anti-dilutive stock options excluded | 512 |  |  | 799 |  |  | 1,133 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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