Restructuring and Related Charges (Details 2) - USD ($)	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	$ 33,066,000	$ 85,369,000	$ 80,513,000
2014 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance		0
Restructuring Related Charges		49,945,000
Asset Write off Charge and Other Non- Cash Activity		(30,417,000)
Cash Payments		(19,061,000)
Liability, Ending Balance			0
2014 Restructuring Plan | Employee Severance
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance		0
Restructuring Related Charges		16,213,000
Asset Write off Charge and Other Non- Cash Activity		13,000
Cash Payments		(15,765,000)
Liability, Ending Balance			0
2014 Restructuring Plan | Lease Costs
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance		0
Restructuring Related Charges		1,738,000
Asset Write off Charge and Other Non- Cash Activity		(116,000)
Cash Payments		(1,622,000)
Liability, Ending Balance			0
2014 Restructuring Plan | Asset Write Off Cost
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance		0
Restructuring Related Charges		30,314,000
Asset Write off Charge and Other Non- Cash Activity		(30,314,000)
Liability, Ending Balance			0
2014 Restructuring Plan | Other Related Costs
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance		0
Restructuring Related Charges		1,680,000
Cash Payments		(1,674,000)
Liability, Ending Balance			0
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	45,521,000	55,439,000
Restructuring Related Charges	34,559,000	35,424,000
Asset Write off Charge and Other Non- Cash Activity	(9,775,000)	(8,428,000)
Cash Payments	(39,348,000)	(36,914,000)
Liability, Ending Balance	30,957,000	45,521,000	55,439,000
2013 Restructuring Plan | Employee Severance
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	45,246,000	55,188,000
Restructuring Related Charges	24,327,000	25,026,000
Asset Write off Charge and Other Non- Cash Activity	(4,122,000)	283,000
Cash Payments	(35,404,000)	(35,251,000)
Liability, Ending Balance	30,047,000	45,246,000	55,188,000
2013 Restructuring Plan | Lease Costs
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	18,000	251,000
Restructuring Related Charges	2,777,000	499,000
Asset Write off Charge and Other Non- Cash Activity	(12,000)	110,000
Cash Payments	(2,719,000)	(622,000)
Liability, Ending Balance	64,000	18,000	251,000
2013 Restructuring Plan | Asset Write Off Cost
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0	0
Restructuring Related Charges	5,565,000	8,622,000
Asset Write off Charge and Other Non- Cash Activity	(5,565,000)	(8,622,000)
Liability, Ending Balance	0	0	0
2013 Restructuring Plan | Other Related Costs
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	257,000	0
Restructuring Related Charges	1,890,000	1,277,000
Asset Write off Charge and Other Non- Cash Activity	(76,000)	21,000
Cash Payments	(1,225,000)	(1,041,000)
Liability, Ending Balance	$ 846,000	$ 257,000	$ 0