Restructuring and Related Charges (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 44,927	$ 2,535	$ 80,829	$ 3,888
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,510	2,535	3,350	3,888
Total pre-tax restructuring and other related costs expected to be recognized	179,000		179,000
Restructuring related charges to date	165,200		165,200
2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	43,417		77,479
Total pre-tax restructuring and other related costs expected to be recognized	195,000		195,000
Restructuring related charges to date	77,479		77,479
EMS [Member] | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,440	1,757	3,280	2,993
Restructuring related charges to date	127,400		127,400
EMS [Member] | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	2,536		8,057
Restructuring related charges to date	8,057		8,057
DMS [Member] | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	70	778	70	1,014
Restructuring related charges to date	28,900		28,900
DMS [Member] | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	36,502		48,006
Restructuring related charges to date	48,006		48,006
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	4,379		21,416
Restructuring related charges to date	21,416		21,416
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	13,800		13,800
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	117,500		117,500
Employee Severance | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,007	2,467	2,497	3,545
Employee Severance | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	8,090		25,986
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
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges			2,497	3,545
Employee Severance | Restructuring Charges Cash | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,007	2,467	2,497	3,545
Employee Severance | Restructuring Charges Cash | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	8,090		25,986
Asset Write-Off Cost | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	70		70
Asset Write-Off Cost | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	34,065		46,705
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				0
Lease Costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,158		4,449
Lease Costs | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges			0	0
Lease Costs | Restructuring Charges Cash | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,158		4,449
Other Related Costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	433	68	783	343
Other Related Costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	104		339
Total pre-tax restructuring and other related costs expected to be recognized	10,000		10,000
Other Related Costs | Restructuring Charges Cash
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges			783	343
Other Related Costs | Restructuring Charges Cash | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	433	$ 68	783	$ 343
Other Related Costs | Restructuring Charges Cash | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 104		$ 339