Significant Components and Activity in Restructuring Plan by Reportable Segment (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2013	Aug. 31, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	$ 89,453	$ 628
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0
Restructuring Related Charges	89,453
Asset Write off Charge and Other Non- Cash Activity	(8,866)
Cash Payments	(22,677)
Liability, Ending Balance	57,910
2013 Restructuring Plan | DMS
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	21,502
Asset Write off Charge and Other Non- Cash Activity	(2,665)
Cash Payments	(6,548)
Liability, Ending Balance	12,289
2013 Restructuring Plan | E&I
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	54,255
Asset Write off Charge and Other Non- Cash Activity	(5,982)
Cash Payments	(7,670)
Liability, Ending Balance	40,603
2013 Restructuring Plan | HVS
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	10,647
Asset Write off Charge and Other Non- Cash Activity	(219)
Cash Payments	(5,443)
Liability, Ending Balance	4,985
2013 Restructuring Plan | Other
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	3,049
Asset Write off Charge and Other Non- Cash Activity	0
Cash Payments	(3,016)
Liability, Ending Balance	$ 33