Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Nov. 30, 2013	Nov. 30, 2012
Cash Provided by/(Used for) Operating Activities:
Net income	$ 44.5	$ 26.1
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation and amortization	10.6	10.0
Share-based compensation expense	4.5	4.3
Excess tax benefits from share-based payments	(5.2)	(5.4)
Deferred income taxes	0.8	1.1
Accounts receivable	(14.0)	(6.6)
Inventories	(5.0)	0.5
Prepayments and other current assets	(4.7)	(5.3)
Accounts payable	(5.4)	(28.4)
Other current liabilities	19.8	(9.9)
Other	(2.5)	(0.9)
Net Cash Provided by/(Used for) Operating Activities	43.4	(14.5)
Cash Provided by/(Used for) Investing Activities:
Purchases of property, plant, and equipment	(8.5)	(11.2)
Proceeds from sale of property, plant, and equipment	0.9	0
Net Cash Used for Investing Activities	(7.6)	(11.2)
Cash Provided by/(Used for) Financing Activities:
Proceeds from stock option exercises and other	2.6	8.2
Excess tax benefits from share-based payments	5.2	5.4
Dividends paid	(5.6)	(5.5)
Net Cash Provided by Financing Activities	2.2	8.1
Effect of Exchange Rate Changes on Cash	1.0	0.6
Net Change in Cash and Cash Equivalents	39.0	(17.0)
Cash and Cash Equivalents at Beginning of Period	359.1	284.5
Cash and Cash Equivalents at End of Period	398.1	267.5
Supplemental Cash Flow Information:
Income taxes paid during the period	13.4	7.6
Interest paid during the period	$ 10.5	$ 9.7