Restructuring and Related Charges (Details 1) - USD ($)	3 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 35,902,000	$ 1,353,000
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,840,000	1,353,000
Total pre-tax restructuring and other related costs expected to be recognized	179,000,000
Restructuring related charges to date	163,700,000
2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	34,062,000
Total pre-tax restructuring and other related costs expected to be recognized	195,000,000
Restructuring related charges to date	34,062,000
EMS [Member] | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,840,000	1,236,000
Restructuring related charges to date	126,000,000
EMS [Member] | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	5,521,000
Restructuring related charges to date	5,521,000
DMS [Member] | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		236,000
Restructuring related charges to date	28,800,000
DMS [Member] | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	11,504,000
Restructuring related charges to date	11,504,000
Other | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		(119,000)
Restructuring related charges to date	8,900,000
Other | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	17,037,000
Restructuring related charges to date	17,037,000
Restructuring Charges Cash | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	157,400,000
Restructuring Charges Cash | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total pre-tax restructuring and other related costs expected to be recognized	50,000,000
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	15,300,000
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	160,900,000
Employee Severance | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1,490,000	1,078,000
Employee Severance | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	17,896,000
Asset Write-Off Cost | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	12,640,000
Lease Costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	3,291,000
Other Related Costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	350,000	$ 275,000
Other Related Costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 235,000