Fair Value Measurements (Tables)

12 Months Ended

Aug. 31, 2014

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table presents information about assets and liabilities required to be carried at fair value and measured on a recurring basis as of August 31, 2014 and 2013:

	Fair Value Measurements as of:
	August 31, 2014								August 31, 2013
	Level 1		Level 2		Level 3		Total Fair Value		Level 1		Level 2		Level 3		Total Fair Value
Assets:
Cash and cash equivalents	$	552.5	$	—	$	—	$	552.5	$	359.1	$	—	$	—	$	359.1
Other	0.6		—		—		0.6		0.7		—		—		0.7
Liabilities:
Other	$	0.6	$	—	$	11.6	$	12.2	$	0.7	$	—	$	12.1	$	12.8

Schedule of Carrying Value and Estimated Fair Value of Financial Instruments

The carrying values and estimated fair values of certain of the Company’s financial instruments were as follows at August 31, 2014 and 2013:

	August 31, 2014				August 31, 2013
	Carrying Value		Fair Value		Carrying Value		Fair Value
Liabilities:
Senior unsecured public notes, net of unamortized discount	$	349.6	$	391.2	$	349.6	$	381.5
Industrial revenue bond	4.0		4.0		4.0		4.0