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Operating Segments - Segments (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Net external sales | $ 496,137 |  | $ 437,592 |  | $ 903,607 |  | $ 809,812 |
Operating profit (loss) | 103,531 |  | 101,904 |  | 179,449 |  | 153,882 |
Operating Segments [Member] | Adhesive Dispensing Systems [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Net external sales | 226,943 |  | 221,030 |  | 434,780 |  | 424,469 |
Operating profit (loss) | 65,719 | [1] | 62,977 | [2] | 118,775 | [1] | 113,337 | [2]
Operating Segments [Member] | Advanced Technology Systems [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Net external sales | 210,142 |  | 158,555 |  | 355,502 |  | 276,415 |
Operating profit (loss) | 54,306 |  | 38,731 | [3] | 80,669 |  | 46,704 | [3]
Operating Segments [Member] | Industrial Coating Systems [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Net external sales | 59,052 |  | 58,007 |  | 113,325 |  | 108,928 |
Operating profit (loss) | 10,252 | [4] | 10,292 |  | 17,337 |  | 14,470 | [4]
Corporate [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Operating profit (loss) | $ (26,746) |  | $ (10,096) |  | $ (37,332) |  | $ (20,629) |
[1] | Includes $491 and $718 of severance and restructuring costs in the three and six months ended April 30, 2017, respectively.
[2] | Includes $991 and $1,471 of severance and restructuring costs in the three and six months ended April 30, 2016, respectively.
[3] | Includes $170 and $680 of severance and restructuring costs in the three and six months ended April 30, 2016, respectively.
[4] | Includes $472 and $499 of severance and restructuring costs in the three and six months ended April 30, 2016, respectively.

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