Discontinued Operations Discontinued Operations - Operating Results (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014
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			$ 35,345	$ 291
Net sales	0	49,759	0	115,616
Earnings (loss) from operations of discontinued businesses	0	4,432	(1,201)	12,761
Income tax benefit (expense)	0	1,475	(288)	(1,060)
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	0	0	(487)	0
Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation	0	0	61	0
Earnings (loss) from discontinued operations, net of income tax	0	5,907	(1,915)	11,701
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