Significant Components and Activity in Restructuring Plan by Reportable Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	May 31, 2013	May 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	$ 28,392	$ 28,392
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0	0
Restructuring Related Charges	28,392	28,392
Asset Write off Charge and Other Non- Cash Activity	(5,857)	(5,857)
Cash Payments	(12,161)	(12,161)
Liability, Ending Balance	10,374	10,374
2013 Restructuring Plan | DMS
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0	0
Restructuring Related Charges	7,947	7,947
Asset Write off Charge and Other Non- Cash Activity	(166)	(166)
Cash Payments	(3,463)	(3,463)
Liability, Ending Balance	4,318	4,318
2013 Restructuring Plan | E&I
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0	0
Restructuring Related Charges	14,988	14,988
Asset Write off Charge and Other Non- Cash Activity	(5,605)	(5,605)
Cash Payments	(5,231)	(5,231)
Liability, Ending Balance	4,152	4,152
2013 Restructuring Plan | HVS
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0	0
Restructuring Related Charges	3,065	3,065
Asset Write off Charge and Other Non- Cash Activity	(86)	(86)
Cash Payments	(1,259)	(1,259)
Liability, Ending Balance	1,720	1,720
2013 Restructuring Plan | Other
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0	0
Restructuring Related Charges	2,392	2,392
Asset Write off Charge and Other Non- Cash Activity	0	0
Cash Payments	(2,208)	(2,208)
Liability, Ending Balance	$ 184	$ 184