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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Redeemable Noncontrolling Interests [Member] | Common Stock [Member] | Common Stock [Member] Common Class A [Member] | Capital in Excess of Par Value [Member] | Deferred Compensation Obligation [Member] | HEICO Stock Held By Irrevocable Trust [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Noncontrolling Interest [Member] | Total Shareholders Equity [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balances at Oct. 31, 2015 |  |  | $ 269 | $ 400 | $ 286,220 | $ 1,783 | $ (1,783) | $ (25,080) | $ 548,054 | $ 83,408 | $ 893,271
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent | $ 155,946 |  |  |  |  |  |  | (246) | 156,192 |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest | 19,896 | $ 9,968 |  |  |  |  |  |  |  | 9,928 |
Comprehensive Income (Loss) | 175,842 |  |  |  |  |  |  |  |  |  | 165,874
Cash dividends |  |  |  |  |  |  |  |  | (10,724) |  | (10,724)
Issuance of Common Stock to HEICO SIP |  |  | 1 | 1 | 6,890 |  |  |  |  |  | 6,892
Share-based Compensation Expense |  |  |  |  | 6,434 |  |  |  |  |  | 6,434
Proceeds from stock option exercises |  |  |  | 2 | 5,922 |  |  |  |  |  | 5,924
Tax benefit from stock option exercises |  |  |  |  | 868 |  |  |  |  |  | 868
Distributions to noncontrolling interests |  | 9,957 |  |  |  |  |  |  |  | (9,060) | (9,060)
Acquisitions of noncontrolling interests |  | 3,599 |  |  |  |  |  |  |  |  |
Adjustments to redemption amount of redeemable noncontrolling interests |  | 11,818 |  |  |  |  |  |  | (11,818) |  | (11,818)
Deferred Compensation Obligation |  |  |  |  |  | 677 |  |  |  |  |
Stock Held During Period Value Deferred Compensation Obligation |  |  |  |  |  |  | (677) |  |  |  |
Adjustments to Additional Paid in Capital, Other |  |  |  |  | (6) |  |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  |  |  | 50 | 44
Balances at Oct. 31, 2016 |  |  | 270 | 403 | 306,328 | 2,460 | (2,460) | (25,326) | 681,704 | 84,326 | 1,047,705
Redeemable noncontrolling interests at Oct. 31, 2015 |  | 91,282 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Redeemable Noncontrolling Interest | 19,896 | 9,968 |  |  |  |  |  |  |  | 9,928 |
Distributions to noncontrolling interests |  | 9,957 |  |  |  |  |  |  |  | (9,060) | (9,060)
Acquisitions of noncontrolling interests |  | (3,599) |  |  |  |  |  |  |  |  |
Adjustments to redemption amount of redeemable noncontrolling interests |  | 11,818 |  |  |  |  |  |  | (11,818) |  | (11,818)
Redeemable noncontrolling interests at Oct. 31, 2016 |  | 99,512 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent | 200,755 |  |  |  |  |  |  | 14,770 | 185,985 |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest | 22,601 | 11,637 |  |  |  |  |  |  |  | 10,964 |
Comprehensive Income (Loss) | 223,356 |  |  |  |  |  |  |  |  |  | 211,719
Cash dividends |  |  |  |  |  |  |  |  | (12,807) |  | (12,807)
Stock Issued During Period, Value, Stock Dividend |  |  | 68 | 101 |  |  |  |  |  |  |
Adjustments to Additional Paid in Capital, Stock Split |  |  |  |  | (169) |  |  |  |  |  |
Dividends, Common Stock, Stock |  |  |  |  |  |  |  |  | (23) |  | (23)
Issuance of Common Stock to HEICO SIP |  |  |  |  | 7,517 |  |  |  |  |  | 7,517
Share-based Compensation Expense |  |  |  |  | 7,415 |  |  |  |  |  | 7,415
Proceeds from stock option exercises |  |  |  | 3 | 5,656 |  |  |  |  |  | 5,659
Noncontrolling interests assumed related to acquisition |  | (23,339) |  |  |  |  |  |  |  |  |
Distributions to noncontrolling interests |  | (10,323) |  |  |  |  |  |  |  | (8,078) | (8,078)
Acquisitions of noncontrolling interests |  | 3,848 |  |  |  |  |  |  | 194 |  | 194
Adjustments to redemption amount of redeemable noncontrolling interests |  | 10,806 |  |  |  |  |  |  | (10,806) |  | (10,806)
Deferred Compensation Obligation |  |  |  |  |  | 658 |  |  |  |  |
Stock Held During Period Value Deferred Compensation Obligation |  |  |  |  |  |  | (658) |  |  |  |
Adjustments to Additional Paid in Capital, Other |  |  |  |  | (203) |  |  |  |  |  | (203)
Balances at Oct. 31, 2017 | 1,248,292 |  | 338 | 507 | 326,544 | 3,118 | (3,118) | (10,556) | 844,247 | 87,212 | 1,248,292
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Redeemable Noncontrolling Interest | 22,601 | 11,637 |  |  |  |  |  |  |  | 10,964 |
Noncontrolling interests assumed related to acquisition |  | 23,339 |  |  |  |  |  |  |  |  |
Distributions to noncontrolling interests |  | (10,323) |  |  |  |  |  |  |  | (8,078) | (8,078)
Acquisitions of noncontrolling interests |  | (3,848) |  |  |  |  |  |  | (194) |  | (194)
Adjustments to redemption amount of redeemable noncontrolling interests |  | 10,806 |  |  |  |  |  |  | (10,806) |  | (10,806)
Redeemable noncontrolling interests at Oct. 31, 2017 | 131,123 | 131,123 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent | 254,312 |  |  |  |  |  |  | (4,921) | 259,233 |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest | 26,047 | 13,070 |  |  |  |  |  |  |  | 12,977 |
Comprehensive Income (Loss) | 280,359 |  |  |  |  |  |  |  |  |  | 267,289
Cash dividends |  |  |  |  |  |  |  |  | (15,363) |  | (15,363)
Stock Issued During Period, Value, Stock Dividend |  |  | 191 | 286 |  |  |  |  |  |  |
Adjustments to Additional Paid in Capital, Stock Split |  |  |  |  | (477) |  |  |  |  |  |
Dividends, Common Stock, Stock |  |  |  |  |  |  |  |  | (28) |  | (28)
Issuance of Common Stock to HEICO SIP |  |  | 1 | 1 | 7,868 |  |  |  |  |  | 7,870
Share-based Compensation Expense |  |  |  |  | 9,283 |  |  |  |  |  | 9,283
Proceeds from stock option exercises |  |  | 7 | 2 | 4,022 |  |  |  |  |  | 4,031
Redemption of common stock related to stock option exercises |  |  | (3) |  | (24,980) |  |  |  |  |  | (24,983)
Noncontrolling interests assumed related to acquisition |  | (2,491) |  |  |  |  |  |  |  | (5,350) | (5,350)
Distributions to noncontrolling interests |  | (12,005) |  |  |  |  |  |  |  | (1,054) | (1,054)
Adjustments to redemption amount of redeemable noncontrolling interests |  | (3,627) |  |  |  |  |  |  | 3,627 |  | 3,627
Deferred Compensation Obligation |  |  |  |  |  | 810 |  |  |  |  |
Stock Held During Period Value Deferred Compensation Obligation |  |  |  |  |  |  | (810) |  |  |  |
Adjustments to Additional Paid in Capital, Other |  |  |  |  | (1,266) |  |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  | 221 | (533) | 272 | (1,306)
Balances at Oct. 31, 2018 | 1,503,008 |  | $ 534 | $ 796 | $ 320,994 | $ 3,928 | $ (3,928) | $ (15,256) | 1,091,183 | 104,757 | 1,503,008
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Redeemable Noncontrolling Interest | 26,047 | 13,070 |  |  |  |  |  |  |  | 12,977 |
Noncontrolling interests assumed related to acquisition |  | 2,491 |  |  |  |  |  |  |  | 5,350 | 5,350
Distributions to noncontrolling interests |  | (12,005) |  |  |  |  |  |  |  | $ (1,054) | (1,054)
Adjustments to redemption amount of redeemable noncontrolling interests |  | (3,627) |  |  |  |  |  |  | $ 3,627 |  | $ 3,627
Temporary Equity, Other |  | 994 |  |  |  |  |  |  |  |  |
Redeemable noncontrolling interests at Oct. 31, 2018 | $ 132,046 | $ 132,046 |  |  |  |  |  |  |  |  |

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- Definition Value of stock issued to shareholders as a dividend during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
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- Definition Value of stock issued as a result of the exercise of stock options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4590271-111686 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683 + Details
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- Definition Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.27(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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