Restructuring and Related Charges (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ (782)	$ 12,446	$ 31,833	$ 65,652
2014 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		(168)		42,320
2014 Restructuring Plan | EMS
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		(168)		42,320
2014 Restructuring Plan | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		(23)		16,350
2014 Restructuring Plan | Employee Severance | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		(23)		16,350
2014 Restructuring Plan | Asset Write-Off Cost
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		(159)		22,725
2014 Restructuring Plan | Lease Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		0		1,738
2014 Restructuring Plan | Lease Costs | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		0		1,738
2014 Restructuring Plan | Other Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		14		1,507
2014 Restructuring Plan | Other Related Costs | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		14		1,507
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(782)	12,614	33,327	23,332
Total pre-tax restructuring and other related costs expected to be recognized	179,000		179,000
Restructuring related charges to date	149,200		149,200
2013 Restructuring Plan | EMS
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(1,107)	10,212	30,743	8,796
Restructuring related charges to date	112,200		112,200
2013 Restructuring Plan | DMS
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0	1,845	424	12,275
Restructuring related charges to date	28,100		28,100
2013 Restructuring Plan | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	325	557	2,160	2,261
Restructuring related charges to date	8,900		8,900
2013 Restructuring Plan | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	157,400		157,400
2013 Restructuring Plan | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(1,847)	6,844	23,355	14,529
2013 Restructuring Plan | Employee Severance | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(1,847)	6,844	23,355	14,529
2013 Restructuring Plan | Asset Write-Off Cost
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	701	5,277	5,688	7,290
2013 Restructuring Plan | Lease Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		0	2,777	387
2013 Restructuring Plan | Lease Costs | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0	0	2,777	387
2013 Restructuring Plan | Other Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	364	493	1,507	1,126
2013 Restructuring Plan | Other Related Costs | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 364	$ 493	$ 1,507	$ 1,126