SEGMENT REPORTING - Company's Reportable Operating Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Aug. 31, 2013		May 31, 2013	Feb. 28, 2013	Nov. 30, 2012	Aug. 31, 2012		May 31, 2012	Feb. 29, 2012	Nov. 30, 2011	Aug. 31, 2013		Aug. 31, 2012		Aug. 31, 2011
Segment Reporting Information [Line Items]
Net revenues	$ 7,086,667		$ 7,198,140	$ 7,058,042	$ 7,219,961	$ 6,835,893		$ 7,154,690	$ 6,797,250	$ 7,074,497	$ 28,562,810		$ 27,862,330		$ 25,507,036
Depreciation											324,997	[1]	317,992	[1]	297,549	[1]
Operating income	983,503		1,141,971	1,164,532	1,048,674	940,350		1,060,761	889,299	981,138	4,338,680		3,871,548		3,470,457
Assets as of August 31	2,671,756	[2]				2,201,989	[2]				2,671,756	[2]	2,201,989	[2]	2,458,068	[2]
Communications, Media & Technology
Segment Reporting Information [Line Items]
Net revenues											5,686,370		5,906,724		5,434,024
Depreciation											65,857	[1]	64,202	[1]	63,524	[1]
Operating income											785,543		845,411		727,761
Assets as of August 31	712,074	[2]				582,652	[2]				712,074	[2]	582,652	[2]	556,190	[2]
Financial Services
Segment Reporting Information [Line Items]
Net revenues											6,165,663		5,842,776		5,380,674
Depreciation											64,844	[1]	63,251	[1]	56,256	[1]
Operating income											1,002,785		809,633		898,287
Assets as of August 31	176,601	[2]				215,741	[2]				176,601	[2]	215,741	[2]	189,611	[2]
Health & Public Service
Segment Reporting Information [Line Items]
Net revenues											4,739,483		4,255,631		3,861,146
Depreciation											62,048	[1]	61,994	[1]	56,207	[1]
Operating income											594,417		376,125		318,430
Assets as of August 31	552,888	[2]				477,536	[2]				552,888	[2]	477,536	[2]	576,505	[2]
Products
Segment Reporting Information [Line Items]
Net revenues											6,806,615		6,562,974		5,931,333
Depreciation											81,888	[1]	72,532	[1]	68,136	[1]
Operating income											985,375		863,860		679,716
Assets as of August 31	667,415	[2]				533,522	[2]				667,415	[2]	533,522	[2]	579,616	[2]
Resources
Segment Reporting Information [Line Items]
Net revenues											5,143,073		5,275,001		4,882,248
Depreciation											50,360	[1]	56,013	[1]	53,426	[1]
Operating income											970,560		976,519		846,263
Assets as of August 31	617,743	[2]				484,095	[2]				617,743	[2]	484,095	[2]	642,250	[2]
Other
Segment Reporting Information [Line Items]
Net revenues											21,606		19,224		17,611
Depreciation											0	[1]	0	[1]	0	[1]
Operating income											0		0		0
Assets as of August 31	$ (54,965)	[2]				$ (91,557)	[2]				$ (54,965)	[2]	$ (91,557)	[2]	$ (86,104)	[2]

[1] Amounts include depreciation on property and equipment controlled by each operating segment, as well as an allocation for depreciation on property and equipment they do not directly control.

[2] The Company does not allocate total assets by operating segment. Operating segment assets directly attributed to an operating segment and provided to the chief operating decision maker include Receivables from clients, current and non-current Unbilled services, Deferred contract costs and current and non-current Deferred revenues.