Significant Components and Activity in Restructuring Plan (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
2014 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0
Restructuring Related Charges	49,945
Asset Write off Charge and Other Non- Cash Activity	(30,417)
Cash Payments	(19,061)
Liability, Ending Balance	467
2014 Restructuring Plan | Employee Severance
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0
Restructuring Related Charges	16,213
Asset Write off Charge and Other Non- Cash Activity	13
Cash Payments	(15,765)
Liability, Ending Balance	461
2014 Restructuring Plan | Lease Costs
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0
Restructuring Related Charges	1,738
Asset Write off Charge and Other Non- Cash Activity	(116)
Cash Payments	(1,622)
Liability, Ending Balance	0
2014 Restructuring Plan | Asset Write Off Cost
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0
Restructuring Related Charges	30,314
Asset Write off Charge and Other Non- Cash Activity	(30,314)
Liability, Ending Balance	0
2014 Restructuring Plan | Other Related Costs
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0
Restructuring Related Charges	1,680
Cash Payments	(1,674)
Liability, Ending Balance	6
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 | Employee Severance
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	55,188	0
Restructuring Related Charges	25,026	74,304
Asset Write off Charge and Other Non- Cash Activity	283	(297)
Cash Payments	(35,251)	(18,819)
Liability, Ending Balance	45,246	55,188
2013 Restructuring Plan | Lease Costs
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	251	0
Restructuring Related Charges	499	251
Asset Write off Charge and Other Non- Cash Activity	(110)
Cash Payments	(622)
Liability, Ending Balance	18	251
2013 Restructuring Plan | Asset Write Off Cost
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0	0
Restructuring Related Charges	8,622	5,958
Asset Write off Charge and Other Non- Cash Activity	(8,622)	(5,958)
Liability, Ending Balance	0	0
2013 Restructuring Plan | Other Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	1,277
Asset Write off Charge and Other Non- Cash Activity	21
Cash Payments	(1,041)
Liability, Ending Balance	$ 257