Operating segments (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Reportable segments
Net external sales	$ 312,255	$ 279,121	$ 902,141	$ 751,369
Operating profit (loss)	78,656	67,695	236,608	161,555
Adhesive Dispensing Systems [Member]
Reportable segments
Net external sales	153,071	135,517	449,479	382,681
Operating profit (loss)	51,385	43,763	157,230	119,661
Advanced Technology Systems [Member]
Reportable segments
Net external sales	111,652	102,980	321,339	267,888
Operating profit (loss)	30,884	26,572	87,726	58,940
Industrial Coating Systems [Member]
Reportable segments
Net external sales	47,532	40,624	131,323	100,800
Operating profit (loss)	8,417	5,004	19,125	6,834
Corporate [Member]
Reportable segments
Operating profit (loss)	$ (12,030)	$ (7,644)	$ (27,473)	$ (23,880)