Debt (Tables)

6 Months Ended

Feb. 28, 2014

Debt Disclosure [Abstract]

Schedule of Interest Expense, Net

The following table summarizes the components of interest expense, net:

	Three Months Ended						Six Months Ended
	February 28, 2014			February 28, 2013			February 28, 2014			February 28, 2013
Interest expense	$	8.1		$	8.0		$	16.2		$	15.8
Interest income	(0.1		)	(0.2		)	(0.2		)	(0.3		)
Interest expense, net	$	8.0		$	7.8		$	16.0		$	15.5