Restructuring and Related Charges (Summary) (Details 1) - USD ($) $ in Thousands		12 Months Ended
		Aug. 31, 2017		Aug. 31, 2016		Aug. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		$ 160,395	[1],[2]	$ 11,369	[1],[3],[4]	$ 33,066
2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	[3]					34,559
Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		56,834	[2]	8,845	[3],[4]	24,327	[3]
Employee severance and benefit costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		52,200
Employee severance and benefit costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		4,600
Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		3,966	[2]			2,777	[3]
Restructuring and related charges reversal	[3]			(43)
Lease costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		4,000
Lease costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		0
Asset write-off costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		94,346	[2]	1,170	[3],[4]	5,565	[3]
Asset write-off costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		94,200
Asset write-off costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		100
Other related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		5,249	[2]	1,397	[3]	$ 1,890	[3]
Other related costs | 2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		3,800
Other related costs | 2013 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		$ 1,500		$ 1,397

[1] ^{(1 )} Includes $ 51.3 million , $ 10.7 million and $ 32.0 million recorded in the EMS segment, $ 82.4 million , $ 0.8 million and $ 0.4 million recorded in the DMS segment and $ 26.7 million , $ (0.1) million and $ 2.2 million of non-allocated charges for the fiscal years ended August 31, 2017 , 2016 and 2015 , respectively. Except for asset write-off costs, all restructuring and related charge s are cash costs.

[2] ⁽²⁾ Includes employee severance and benefit costs of $ 52.2 million and $ 4.6 million , lease costs of $ 4.0 million and $ 0.0 million , asset write-off costs of $ 94.2 million and $ 0.1 million and other related costs of $ 3.8 million and $ 1.5 million for the 2017 Re structuring Plan and the 2013 Restructuring Plan, respectively.

[3] ⁽³⁾ Costs relate to the 2013 Restructuring Plan.

[4] ^{(1 )} Relates only to the 2013 Restructuring Plan.