Discontinued Operations Operating Results, Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2014	Oct. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ 34,979	$ 172
Net sales	0	65,857
(Loss) earnings from operations of discontinued businesses	(1,201)	8,329
Income tax expense	(288)	(2,535)
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	(487)	0
Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation	61	0
(Loss) earnings from discontinued operations, net of income tax	(1,915)	5,794
Accumulated Translation Adjustment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ 34,697	$ 0