Restructuring And Other Charges (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2013
Restructuring Cost and Reserve [Line Items]
Charged to operating expenses	$ 3,079
Cash payments	619
Accrued restructuring balance	2,460
Workforce Reductions [Member]
Restructuring Cost and Reserve [Line Items]
Charged to operating expenses	3,079
Cash payments	619
Accrued restructuring balance	2,460
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Non-recurring transaction, integration costs and restructuring charges associated with the acquisition in 2014	15,000
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Non-recurring transaction, integration costs and restructuring charges associated with the acquisition in 2014	$ 20,000