Significant Components and Activity in Restructuring Plan by Reportable Segment (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	$ 85,369	$ 80,513
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	55,439	0
Restructuring Related Charges	35,424	80,513
Asset Write off Charge and Other Non- Cash Activity	(8,428)	(6,255)
Cash Payments	(36,914)	(18,819)
Liability, Ending Balance	45,521	55,439
2013 Restructuring Plan | DMS
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	9,818	0
Restructuring Related Charges	29,839	13,053
Asset Write off Charge and Other Non- Cash Activity	(10,920)	(54)
Cash Payments	(19,204)	(3,181)
Liability, Ending Balance	9,533	9,818
2013 Restructuring Plan | E&I
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	40,603	0
Restructuring Related Charges	(188)	54,255
Asset Write off Charge and Other Non- Cash Activity	2,345	(5,982)
Cash Payments	(10,624)	(7,670)
Liability, Ending Balance	32,136	40,603
2013 Restructuring Plan | HVS
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	4,985	0
Restructuring Related Charges	1,543	10,647
Asset Write off Charge and Other Non- Cash Activity	147	(219)
Cash Payments	(4,572)	(5,443)
Liability, Ending Balance	2,103	4,985
2013 Restructuring Plan | Other
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	33	0
Restructuring Related Charges	4,230	2,558
Cash Payments	(2,514)	(2,525)
Liability, Ending Balance	$ 1,749	$ 33