Business Segment Information (Schedule of Information by Geographical Area by Country of Domicile) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Segment Reporting Information [Line Items]
Sales to unaffiliated customers									$ 1,445,136	$ 1,330,835	$ 1,158,517
Sales between geographic areas									0	0	0
Net sales	396,301	378,186	344,589	326,060	360,909	351,396	325,301	293,229	1,445,136	1,330,835	1,158,517
Operating income									283,398	227,556	189,912
Long-lived assets	640,255				609,205				640,255	609,205	593,887
United States [Member]
Segment Reporting Information [Line Items]
Sales to unaffiliated customers									680,757	627,438	568,786
Sales between geographic areas									198,593	172,618	143,951
Net sales									879,350	800,056	712,737
Operating income									44,977	37,113	57,776
Long-lived assets	371,314				373,211				371,314	373,211	357,200
Europe [Member]
Segment Reporting Information [Line Items]
Sales to unaffiliated customers									408,813	392,152	345,970
Sales between geographic areas									318,196	304,585	300,948
Net sales									727,009	696,737	646,918
Operating income									5,367	18,703	(4,935)
Long-lived assets	261,269				226,665				261,269	226,665	227,780
Rest of World, Other Eliminations & Corporate [Member]
Segment Reporting Information [Line Items]
Sales to unaffiliated customers									355,566	311,245	243,761
Sales between geographic areas									(516,789)	(477,203)	(444,899)
Net sales									(161,223)	(165,958)	(201,138)
Operating income									233,054	171,740	137,071
Long-lived assets	$ 7,672				$ 9,329				$ 7,672	$ 9,329	$ 8,907