Goodwill and Intangible Assets (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Acquired Finite-Lived Intangible Assets
Gross carrying amount	$ 491,675	$ 180,538
Accumulated amortization	(57,138)	(41,904)
Net carrying amount	434,537	138,634
Intangible assets amortization expense	$ 19,400	13,000	$ 10,300
Weighted-average useful life of finite-lived intangible assets	13 years 4 months 25 days
2016	$ 40,072
2017	39,133
2018	37,607
2019	36,335
2020	35,966
Customer-Related Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets
Gross carrying amount	360,193	139,990
Accumulated amortization	(40,447)	(29,088)
Net carrying amount	319,746	110,902
Developed Technology [Member]
Acquired Finite-Lived Intangible Assets
Gross carrying amount	93,518	19,603
Accumulated amortization	(9,398)	(6,914)
Net carrying amount	84,120	12,689
Trademarks and Tradenames [Member]
Acquired Finite-Lived Intangible Assets
Gross carrying amount	37,964	20,945
Accumulated amortization	(7,293)	(5,902)
Net carrying amount	$ 30,671	$ 15,043