Other Comprehensive Income Other Comprehensive Income, Text (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Jul. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Derivatives used in Net Investment Hedge, Tax Benefit (Expense)	$ 1,314	$ 1,953
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	12		99
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax	1,736		1,853
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	68,384		54,111
Accumulated other comprehensive income	70,132		56,063
Other Comprehensive Income Before Tax and Reclassification Adjustments	14,241
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(32)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	14,273
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(172)
Other Comprehensive Income (Loss), Net of Tax	2,642	2,255
Adjustment for Long-term Intercompany Transactions, Tax Benefit (Expense)	1,403	55
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	18	434
Other Comprehensive Income Tax Other Adjustments	(93)	(187)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(55)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	$ (117)