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Commitments And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2012
Commitments And Contingencies [Abstract]
Outsourcing contract expense	$ 5.2	$ 5.0	$ 5.0
Freight charges	2.2	2.2	1.8
Purchase commitments	$ 4.1

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

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