Restructuring and Related Charges (Significant Components and Activity) (Details 2) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	$ 32,700,000	$ 4,460,000	$ 113,529,000	$ 8,349,000
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	12,606,000	19,050,000	18,027,000	30,957,000
Restructuring Related Charges	1,301,000	4,460,000	4,651,000	8,349,000
Asset Write off Charge and Other Non- Cash Activity	451,000	429,000	(376,000)	(404,000)
Cash Payments	(7,324,000)	(3,544,000)	(15,268,000)	(18,507,000)
Liability, Ending Balance	7,034,000	20,395,000	7,034,000	20,395,000
2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	13,959,000
Restructuring Related Charges	31,399,000		108,878,000
Asset Write off Charge and Other Non- Cash Activity	(11,792,000)		(58,497,000)
Cash Payments	(6,652,000)		(23,467,000)
Liability, Ending Balance	26,914,000		26,914,000
Employee Severance | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	11,756,000	18,115,000	17,266,000	30,047,000
Restructuring Related Charges	843,000	4,197,000	3,340,000	7,743,000
Asset Write off Charge and Other Non- Cash Activity	400,000	407,000	(322,000)	(404,000)
Cash Payments	(6,875,000)	(3,234,000)	(14,160,000)	(17,901,000)
Liability, Ending Balance	6,124,000	19,485,000	6,124,000	19,485,000
Employee Severance | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	10,337,000
Restructuring Related Charges	17,328,000		43,314,000
Asset Write off Charge and Other Non- Cash Activity	20,000		20,000
Cash Payments	(5,085,000)		(20,734,000)
Liability, Ending Balance	22,600,000		22,600,000
Lease Costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	21,000	64,000	21,000	64,000
Restructuring Related Charges		(43,000)		(43,000)
Asset Write off Charge and Other Non- Cash Activity				0
Cash Payments				0
Liability, Ending Balance	21,000	21,000	21,000	21,000
Lease Costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	3,572,000
Restructuring Related Charges	1,151,000		5,600,000
Asset Write off Charge and Other Non- Cash Activity	26,000		26,000
Cash Payments	(1,049,000)		(1,926,000)
Liability, Ending Balance	3,700,000		3,700,000
Asset Write-Off Cost | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	0		0	0
Restructuring Related Charges	0		70,000
Asset Write off Charge and Other Non- Cash Activity	0		(70,000)
Liability, Ending Balance	0		0
Asset Write-Off Cost | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges	11,838,000		58,543,000
Asset Write off Charge and Other Non- Cash Activity	(11,838,000)		(58,543,000)
Other Related Costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	829,000	871,000	740,000	846,000
Restructuring Related Charges	458,000	306,000	1,241,000	649,000
Asset Write off Charge and Other Non- Cash Activity	51,000	22,000	16,000	0
Cash Payments	(449,000)	(310,000)	(1,108,000)	(606,000)
Liability, Ending Balance	889,000	$ 889,000	889,000	$ 889,000
Other Related Costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Liability, Beginning Balance	50,000
Restructuring Related Charges	1,082,000		1,421,000
Cash Payments	(518,000)		(807,000)
Liability, Ending Balance	$ 614,000		$ 614,000