Operating Segments - Segments (Detail) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Apr. 30, 2018		Apr. 30, 2017		Apr. 30, 2018		Apr. 30, 2017
Segment Reporting Information [Line Items]
Net external sales	$ 553,706		$ 496,137		$ 1,104,130		$ 903,607
Operating profit (loss)	126,705		103,531		244,428		179,449
Operating Segments [Member] | Adhesive Dispensing Systems [Member]
Segment Reporting Information [Line Items]
Net external sales	238,775		226,943		459,639		434,780
Operating profit (loss)	69,514	[1]	65,719	[2]	122,829	[1]	118,775	[2]
Operating Segments [Member] | Advanced Technology Systems [Member]
Segment Reporting Information [Line Items]
Net external sales	250,839		210,142		522,540		355,502
Operating profit (loss)	58,306		54,306		125,574		80,669
Operating Segments [Member] | Industrial Coating Systems [Member]
Segment Reporting Information [Line Items]
Net external sales	64,092		59,052		121,951		113,325
Operating profit (loss)	11,572		10,252		21,732		17,337
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (12,687)		$ (26,746)		$ (25,707)		$ (37,332)

[1] Includes $1,082 and $2,149 of severance and restructuring costs in the three and six months ended April 30, 2018, respectively.

[2] Includes $491 and $718 of severance and restructuring costs in the three and six months ended April 30, 2017, respectively.