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Operating Segments and Geographic Area Data - Reportable Segments (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2016 | Jul. 31, 2016 | Apr. 30, 2016 | Jan. 31, 2016 | Oct. 31, 2015 | Jul. 31, 2015 | Apr. 30, 2015 | Jan. 31, 2015 | Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net external sales |  | $ 509,283 | $ 489,899 | $ 437,592 | $ 372,220 | $ 446,200 | $ 462,731 | $ 400,727 | $ 379,008 | $ 1,808,994 |  | $ 1,688,666 |  | $ 1,704,021
Depreciation |  |  |  |  |  |  |  |  |  | 41,243 |  | 37,707 |  | 34,446
Operating profit (loss) |  |  |  |  |  |  |  |  |  | 388,431 |  | 317,730 |  | 367,105
Identifiable assets |  | 2,422,365 |  |  |  | 2,360,444 |  |  |  | 2,422,365 |  | 2,360,444 |  | 2,280,130
Expenditures for long-lived assets |  |  |  |  |  |  |  |  |  | 60,851 |  | 62,087 |  | 43,574
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net external sales |  |  |  |  |  |  |  |  |  | 1,808,994 |  | 1,688,666 |  | 1,704,021
Depreciation |  |  |  |  |  |  |  |  |  | 41,243 |  | 37,707 |  | 34,446
Operating profit (loss) |  |  |  |  |  |  |  |  |  | 388,431 |  | 317,730 |  | 367,105
Identifiable assets | [1] | 2,437,457 |  |  |  | 2,372,639 |  |  |  | 2,437,457 |  | 2,372,639 |  | 2,292,415
Expenditures for long-lived assets |  |  |  |  |  |  |  |  |  | 60,851 |  | 62,087 |  | 43,574
Operating Segments [Member] | Adhesive Dispensing Systems [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net external sales |  |  |  |  |  |  |  |  |  | 879,573 |  | 836,066 |  | 899,696
Depreciation |  |  |  |  |  |  |  |  |  | 15,229 |  | 14,804 |  | 15,467
Operating profit (loss) | [2] |  |  |  |  |  |  |  |  | 229,143 |  | 195,902 |  | 229,556
Identifiable assets | [1] | 751,153 |  |  |  | 734,145 |  |  |  | 751,153 |  | 734,145 |  | 747,063
Expenditures for long-lived assets |  |  |  |  |  |  |  |  |  | 17,407 |  | 12,880 |  | 15,886
Operating Segments [Member] | Advanced Technology Systems [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net external sales |  |  |  |  |  |  |  |  |  | 676,329 |  | 593,858 |  | 561,784
Depreciation |  |  |  |  |  |  |  |  |  | 15,386 |  | 13,015 |  | 10,433
Operating profit (loss) | [3] |  |  |  |  |  |  |  |  | 159,531 |  | 120,940 |  | 140,240
Identifiable assets | [1] | 1,080,711 |  |  |  | 1,021,221 |  |  |  | 1,080,711 |  | 1,021,221 |  | 919,052
Expenditures for long-lived assets |  |  |  |  |  |  |  |  |  | 18,967 |  | 36,182 |  | 15,163
Operating Segments [Member] | Industrial Coating Systems [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net external sales |  |  |  |  |  |  |  |  |  | 253,092 |  | 258,742 |  | 242,541
Depreciation |  |  |  |  |  |  |  |  |  | 3,308 |  | 3,194 |  | 3,368
Operating profit (loss) |  |  |  |  |  |  |  |  |  | 43,511 | [4] | 41,458 | [4] | 38,117
Identifiable assets | [1] | 140,169 |  |  |  | 130,421 |  |  |  | 140,169 |  | 130,421 |  | 130,624
Expenditures for long-lived assets |  |  |  |  |  |  |  |  |  | 17,357 |  | 5,112 |  | 4,057
Corporate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation |  |  |  |  |  |  |  |  |  | 7,320 |  | 6,694 |  | 5,178
Operating profit (loss) |  |  |  |  |  |  |  |  |  | (43,754) |  | (40,570) |  | (40,808)
Identifiable assets | [1],[5] | $ 465,424 |  |  |  | $ 486,852 |  |  |  | 465,424 |  | 486,852 |  | 495,676
Expenditures for long-lived assets |  |  |  |  |  |  |  |  |  | $ 7,120 |  | $ 7,913 |  | $ 8,468
[1] | Operating segment identifiable assets include notes and accounts receivable net of customer advance payments and allowance for doubtful accounts, inventories net of reserves, property, plant and equipment net of accumulated depreciation and goodwill.
[2] | Includes $7,800, $7,972 and $1,731 of severance and restructuring costs in 2016, 2015 and 2014, respectively.
[3] | Includes $1,054, $3,060 and $579 of severance and restructuring costs 2016, 2015 and 2014, respectively.
[4] | Includes $1,921, $379 and $241 of severance and restructuring costs in 2016, 2015 and 2014, respectively.
[5] | Corporate assets are principally cash and cash equivalents, deferred income taxes, capital leases, headquarter facilities, the major portion of our enterprise management system, and intangible assets.

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