Segment Reporting (Geographic Sales By Origination And Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Segment Reporting Information [Line Items]
Net Sales	$ 668,226	$ 624,234	$ 581,622	$ 599,384	$ 632,594	$ 619,371	$ 596,036	$ 588,947	$ 2,473,466	$ 2,436,948	$ 2,493,248
Property, Plant & Equipment - Net	451,665				419,280				451,665	419,280	384,909
United States [Member]
Segment Reporting Information [Line Items]
Net Sales									1,019,926	1,010,934	1,064,474
Property, Plant & Equipment - Net	196,712				166,614				196,712	166,614	146,328
Europe [Member]
Segment Reporting Information [Line Items]
Net Sales									728,554	678,996	678,619
Property, Plant & Equipment - Net	128,904				123,710				128,904	123,710	114,266
Asia - Pacific [Member]
Segment Reporting Information [Line Items]
Net Sales									517,305	546,406	572,163
Property, Plant & Equipment - Net	72,089				75,206				72,089	75,206	80,200
Other [Member]
Segment Reporting Information [Line Items]
Net Sales									207,681	200,612	177,992
Property, Plant & Equipment - Net	$ 53,960				$ 53,750				$ 53,960	$ 53,750	$ 44,115