STOCKHOLDERS EQUITY Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2012		Aug. 31, 2011		Aug. 31, 2010	Aug. 31, 2009
Other Comprehensive Income or Loss:
Unrealized expense on defined benefit plan, net of tax	$ 199	[1]	$ (273)	[1]		$ 0	[1]
Change in fair value of interest rate swaps, net of tax	(398)	[2]	(172)	[2]		(112)	[2]
Foreign currency translation differences for merger of foreign operations	(5,604)	[3]	0	[3]		0	[3]
Correction of foreign currency translations for prior years related to foreign operations affecting Property and equipment, net (3)	(3,277)		(4,851)			0
Foreign currency translation differences for foreign operations	(1,187)		(947)		679	670
Other Comprehensive income or loss, net of tax	$ (10,267)		$ (6,243)			$ 558

[1] See Note 7 - Retirement Plan

[2] See Note 13 - Derivative Instruments and Hedging Activities

[3] See Note 1 - Company Overview and Basis of Presentation