CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
Net earnings	$ 54,762	$ 79,443	$ 113,244
Foreign currency translation adjustment and other:
Foreign currency translation adjustment	(11,771)	(83,063)	7,586
Reclassification for translation loss (gain) realized upon sale of investment in foreign entity	12,597	(10,127)	0
Foreign currency translation adjustment and other	826	(93,190)	7,586
Net unrealized gain (loss) on derivatives:
Unrealized holding gain (loss), net of income taxes of $388, $(1,235), and $(526)	1,618	(2,467)	(1,848)
Reclassification for (gain) loss included in net earnings, net of income taxes of $(496), $949, and $237	(1,737)	1,758	1,268
Net unrealized loss on derivatives, net of income taxes of $(108), $(286), and $(289)	(119)	(709)	(580)
Defined benefit obligation:
Net loss, net of income taxes of $(54), $(101), and $14	(132)	(169)	(489)
Amortization of net loss, net of income taxes of $36, $35, and $212	104	99	1,392
Amortization of prior service credit, net of income taxes of $(14), $(14), and $(47)	(58)	(57)	(242)
Defined benefit obligation, net of income taxes of $(32), $(80), and $179	(86)	(127)	661
Other comprehensive income (loss)	621	(94,026)	7,667
Comprehensive income (loss)	$ 55,383	$ (14,583)	$ 120,911