Restructuring and Related Charges (Details 1) - USD ($) $ in Thousands	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 and related charges	$ 32,700	$ 4,460	$ 113,529	$ 8,349
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,301	4,460	4,651	8,349
Total pre-tax restructuring and other related costs expected to be recognized	179,000		179,000
Restructuring related charges to date	166,500		166,500
2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	31,399		108,878
Total pre-tax restructuring and other related costs expected to be recognized	195,000		195,000
Restructuring related charges to date	108,878		108,878
EMS [Member] | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,371	4,460	4,651	7,454
Restructuring related charges to date	128,800		128,800
EMS [Member] | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	11,061		19,118
Restructuring related charges to date	19,118		19,118
DMS [Member] | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(70)	0		1,014
Restructuring related charges to date	28,800		28,800
DMS [Member] | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	17,836		65,842
Restructuring related charges to date	65,842		65,842
Other | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges				(119)
Restructuring related charges to date	8,900		8,900
Other | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	2,502		23,918
Restructuring related charges to date	23,918		23,918
Restructuring Charges Cash | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	157,400		157,400
Charges Not Yet Recognized [Member] | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	12,500		12,500
Charges Not Yet Recognized [Member] | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	86,100		86,100
Employee Severance | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	843	4,197	3,340	7,743
Employee Severance | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	17,328		43,314
Employee Severance | Minimum | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	55,000		55,000
Employee Severance | Maximum | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	75,000		75,000
Employee Severance | Restructuring Charges Cash | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	843	4,197	3,340	7,743
Employee Severance | Restructuring Charges Cash | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	17,328		43,314
Asset Write-Off Cost | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0		70
Asset Write-Off Cost | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	11,838		58,543
Asset Write-Off Cost | Minimum | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	110,000		110,000
Asset Write-Off Cost | Maximum | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	130,000		130,000
Lease Costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		(43)		(43)
Lease Costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,151		5,600
Lease Costs | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges			0	(43)
Lease Costs | Restructuring Charges Cash | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,151		5,600
Other Related Costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	458	306	1,241	649
Other Related Costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,082		1,421
Total pre-tax restructuring and other related costs expected to be recognized	10,000		10,000
Other Related Costs | Restructuring Charges Cash | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	458	$ 306	1,241	$ 649
Other Related Costs | Restructuring Charges Cash | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 1,082		$ 1,421