Supplemental Guarantor Condensed Consolidating Financial Statements - Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Nov. 30, 2013	Nov. 30, 2012
Net Sales:
External sales	$ 574.7	$ 481.1
Intercompany sales	0	0
Total Sales	574.7	481.1
Cost of Products Sold	337.6	291.6
Gross Profit	237.1	189.5
Selling, Distribution, and Administrative Expenses	159.7	140.6
Intercompany charges	0	0
Special Charge	0	0.7
Operating Profit	77.4	48.2
Interest expense (income), net	8.0	7.7
Equity earnings in subsidiaries	0	0
Miscellaneous (income) expense, net	0.6	0.1
Income before Provision for Income Taxes	68.8	40.4
Provision for Income Taxes	24.3	14.3
Net Income	44.5	26.1
Other Comprehensive Income/(Expense) Items:
Foreign currency translation adjustments	2.3	1.3
Defined benefit pension plans, net	0.6	(2.1)
Other Comprehensive Income/(Expense) Items, net of tax	2.9	(0.8)
Comprehensive Income	47.4	25.3
Parent
Net Sales:
External sales	0	0
Intercompany sales	0	0
Total Sales	0	0
Cost of Products Sold	0	0
Gross Profit	0	0
Selling, Distribution, and Administrative Expenses	7.0	7.7
Intercompany charges	(0.8)	(0.9)
Special Charge	0	0
Operating Profit	(6.2)	(6.8)
Interest expense (income), net	2.5	2.3
Equity earnings in subsidiaries	(50.1)	(31.4)
Miscellaneous (income) expense, net	0	0
Income before Provision for Income Taxes	41.4	22.3
Provision for Income Taxes	(3.1)	(3.8)
Net Income	44.5	26.1
Other Comprehensive Income/(Expense) Items:
Foreign currency translation adjustments	2.3	1.3
Defined benefit pension plans, net	0.6	(2.1)
Other Comprehensive Income/(Expense) Items, net of tax	2.9	(0.8)
Comprehensive Income	47.4	25.3
Subsidiary Issuer
Net Sales:
External sales	512.0	422.8
Intercompany sales	0	0
Total Sales	512.0	422.8
Cost of Products Sold	295.3	254.9
Gross Profit	216.7	167.9
Selling, Distribution, and Administrative Expenses	142.5	123.0
Intercompany charges	0.4	0.6
Special Charge	0	0.4
Operating Profit	73.8	43.9
Interest expense (income), net	5.5	5.5
Equity earnings in subsidiaries	(1.3)	(3.9)
Miscellaneous (income) expense, net	0	(0.2)
Income before Provision for Income Taxes	69.6	42.5
Provision for Income Taxes	24.5	14.3
Net Income	45.1	28.2
Other Comprehensive Income/(Expense) Items:
Foreign currency translation adjustments	2.3	1.3
Defined benefit pension plans, net	0.3	0.7
Other Comprehensive Income/(Expense) Items, net of tax	2.6	2.0
Comprehensive Income	47.7	30.2
Subsidiary Guarantor
Net Sales:
External sales	0	0
Intercompany sales	8.7	7.3
Total Sales	8.7	7.3
Cost of Products Sold	0	0
Gross Profit	8.7	7.3
Selling, Distribution, and Administrative Expenses	0.7	0.8
Intercompany charges	0	0
Special Charge	0	0
Operating Profit	8.0	6.5
Interest expense (income), net	0	0
Equity earnings in subsidiaries	0	0
Miscellaneous (income) expense, net	0	0
Income before Provision for Income Taxes	8.0	6.5
Provision for Income Taxes	3.1	2.6
Net Income	4.9	3.9
Other Comprehensive Income/(Expense) Items:
Foreign currency translation adjustments	0	0
Defined benefit pension plans, net	0	0
Other Comprehensive Income/(Expense) Items, net of tax	0	0
Comprehensive Income	4.9	3.9
Non- Guarantors
Net Sales:
External sales	62.7	58.3
Intercompany sales	23.5	23.1
Total Sales	86.2	81.4
Cost of Products Sold	64.6	59.8
Gross Profit	21.6	21.6
Selling, Distribution, and Administrative Expenses	19.4	16.4
Intercompany charges	0.4	0.3
Special Charge	0	0.3
Operating Profit	1.8	4.6
Interest expense (income), net	0	(0.1)
Equity earnings in subsidiaries	0	0.1
Miscellaneous (income) expense, net	0.6	0.3
Income before Provision for Income Taxes	1.2	4.3
Provision for Income Taxes	(0.2)	1.2
Net Income	1.4	3.1
Other Comprehensive Income/(Expense) Items:
Foreign currency translation adjustments	0	0
Defined benefit pension plans, net	0.2	0.4
Other Comprehensive Income/(Expense) Items, net of tax	0.2	0.4
Comprehensive Income	1.6	3.5
Eliminations
Net Sales:
External sales	0	0
Intercompany sales	(32.2)	(30.4)
Total Sales	(32.2)	(30.4)
Cost of Products Sold	(22.3)	(23.1)
Gross Profit	(9.9)	(7.3)
Selling, Distribution, and Administrative Expenses	(9.9)	(7.3)
Intercompany charges	0	0
Special Charge	0	0
Operating Profit	0	0
Interest expense (income), net	0	0
Equity earnings in subsidiaries	51.4	35.2
Miscellaneous (income) expense, net	0	0
Income before Provision for Income Taxes	(51.4)	(35.2)
Provision for Income Taxes	0	0
Net Income	(51.4)	(35.2)
Other Comprehensive Income/(Expense) Items:
Foreign currency translation adjustments	(2.3)	(1.3)
Defined benefit pension plans, net	(0.5)	(1.1)
Other Comprehensive Income/(Expense) Items, net of tax	(2.8)	(2.4)
Comprehensive Income	$ (54.2)	$ (37.6)