Inventories (Details) (USD $) In Millions, unless otherwise specified	Feb. 28, 2014		Aug. 31, 2013
Inventory, Net [Abstract]
Raw materials, supplies, and work in process	$ 129.0	[1]	$ 122.6	[1]
Finished goods	111.6		90.9
Inventory Gross	240.6		213.5
Less: Reserves	(12.0)		(10.5)
Total Inventory	$ 228.6		$ 203.0

[1] Due to the immaterial amount of estimated work in process and the short lead times for the conversion of raw materials to finished goods, the Company does not believe the segregation of raw materials, supplies, and work in process to be meaningful information.