CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 16,424	$ (8,684)	$ 40,353	$ 18,504
Other comprehensive (loss) income:
Foreign currency translation adjustments	(16,805)	9,578	(270)	28,071
Net investment hedge translation adjustments	348	(4,431)	(4,365)	(9,732)
Long-term intercompany loan translation adjustments	796	3,184	623	1,590
Cash flow hedges:
Net gain (loss) recognized in other comprehensive income	246	(441)	231	(998)
Reclassification adjustment for gains included in net earnings	(2)	(90)	(92)	(557)
Total cash flow hedges	244	(531)	139	(1,555)
Pension and other post-retirement benefits:
Actuarial gain amortization	(66)	(12)	(132)	(24)
Prior service credit amortization	(51)	(50)	(102)	(101)
Total pension and other post-retirement benefits	(117)	(62)	(234)	(125)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			(291)
Other comprehensive (loss) income, before tax	(15,534)	7,738	(4,107)	18,249
Income tax (expense) benefit related to items of other comprehensive income	(171)	1,560	2,471	3,815
Other comprehensive (loss) income, net of tax	(15,705)	9,298	(1,636)	22,064
Comprehensive income	719	614	38,717	40,568
Accumulated Defined Benefit Plans Adjustment [Member]
Pension and other post-retirement benefits:
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			$ (234)