CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2012	Nov. 30, 2011
Net earnings	$ 36,343	$ 37,174
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	12,089	(32,567)
Pension and other postretirement benefit plans
Actuarial loss arising during period	125
Amortization of actuarial losses included in net periodic pension cost	90	33
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	215	33
Cash flow hedges
Unrealized net gains arising during period	2	148
Net (gains) losses reclassified into earnings	(131)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Total	(129)	148
Total other comprehensive income (loss), net of tax	12,175	(32,386)
Comprehensive income	$ 48,518	$ 4,788