Supplemental Guarantor Condensed Consolidating Financial Statements (Income) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
Net Sales:
External sales	$ 851.5	$ 683.7	$ 2,365.9	$ 1,947.2
Intercompany sales	0.0	0.0	0.0	0.0
Total Sales	851.5	683.7	2,365.9	1,947.2
Cost of Products Sold	473.6	388.1	1,331.7	1,122.9
Gross Profit	377.9	295.6	1,034.2	824.3
Selling, Distribution, and Administrative Expenses	247.2	196.0	683.9	550.0
Intercompany charges	0.0	0.0	0.0	0.0
Special Charge	9.7	0.4	10.2	9.8
Operating Profit	121.0	99.2	340.1	264.5
Interest expense, net	8.1	7.9	24.2	23.8
Equity earnings in subsidiaries	0.0	0.0	0.0	0.0
Miscellaneous expense (income), net	0.3	(9.5)	(1.5)	(10.5)
Income before Provision for Income Taxes	112.6	100.8	317.4	251.2
Provision (Benefit) for Income Taxes	38.6	36.3	109.5	89.2
Net Income	74.0	64.5	207.9	162.0
Other Comprehensive Income (Loss) Items:
Foreign currency translation adjustments	10.0	(1.5)	(3.4)	(18.5)
Defined benefit pension plans, net of tax	1.3	0.9	4.0	1.6
Other Comprehensive Income (Loss), net of tax	11.3	(0.6)	0.6	(16.9)
Comprehensive Income	85.3	63.9	208.5	145.1
Consolidating Adjustments
Net Sales:
External sales	0.0	0.0	0.0	0.0
Intercompany sales	(42.1)	(32.4)	(125.8)	(101.8)
Total Sales	(42.1)	(32.4)	(125.8)	(101.8)
Cost of Products Sold	(28.6)	(21.3)	(88.0)	(70.7)
Gross Profit	(13.5)	(11.1)	(37.8)	(31.1)
Selling, Distribution, and Administrative Expenses	(13.6)	(11.1)	(37.9)	(31.1)
Intercompany charges	0.1	0.0	0.1	0.0
Special Charge	0.0	0.0	0.0	0.0
Operating Profit	0.0	0.0	0.0	0.0
Interest expense, net	0.0	0.0	0.0	0.0
Equity earnings in subsidiaries	82.7	69.4	239.0	183.5
Miscellaneous expense (income), net	0.0	0.0	0.0	0.0
Income before Provision for Income Taxes	(82.7)	(69.4)	(239.0)	(183.5)
Provision (Benefit) for Income Taxes	0.0	0.0	0.0	0.0
Net Income	(82.7)	(69.4)	(239.0)	(183.5)
Other Comprehensive Income (Loss) Items:
Foreign currency translation adjustments	(10.0)	1.5	3.4	18.5
Defined benefit pension plans, net of tax	(0.8)	(0.6)	(2.2)	(1.2)
Other Comprehensive Income (Loss), net of tax	(10.8)	0.9	1.2	17.3
Comprehensive Income	(93.5)	(68.5)	(237.8)	(166.2)
Parent
Net Sales:
External sales	0.0	0.0	0.0	0.0
Intercompany sales	0.0	0.0	0.0	0.0
Total Sales	0.0	0.0	0.0	0.0
Cost of Products Sold	0.0	0.0	0.0	0.0
Gross Profit	0.0	0.0	0.0	0.0
Selling, Distribution, and Administrative Expenses	12.2	7.9	34.3	23.3
Intercompany charges	(0.8)	(0.8)	(2.4)	(2.4)
Special Charge	0.0	0.0	0.0	0.0
Operating Profit	(11.4)	(7.1)	(31.9)	(20.9)
Interest expense, net	2.6	2.5	7.9	7.6
Equity earnings in subsidiaries	(83.0)	(70.7)	(233.5)	(180.5)
Miscellaneous expense (income), net	0.0	0.0	0.0	0.0
Income before Provision for Income Taxes	69.0	61.1	193.7	152.0
Provision (Benefit) for Income Taxes	(5.0)	(3.4)	(14.2)	(10.0)
Net Income	74.0	64.5	207.9	162.0
Other Comprehensive Income (Loss) Items:
Foreign currency translation adjustments	10.0	(1.5)	(3.4)	(18.5)
Defined benefit pension plans, net of tax	1.3	0.9	4.0	1.6
Other Comprehensive Income (Loss), net of tax	11.3	(0.6)	0.6	(16.9)
Comprehensive Income	85.3	63.9	208.5	145.1
Subsidiary Issuer
Net Sales:
External sales	753.8	622.2	2,098.3	1,758.6
Intercompany sales	0.0	0.0	0.0	0.0
Total Sales	753.8	622.2	2,098.3	1,758.6
Cost of Products Sold	405.1	343.4	1,151.6	996.0
Gross Profit	348.7	278.8	946.7	762.6
Selling, Distribution, and Administrative Expenses	218.5	179.2	601.2	496.6
Intercompany charges	0.3	0.4	0.9	1.2
Special Charge	9.7	0.4	10.2	9.8
Operating Profit	120.2	98.8	334.4	255.0
Interest expense, net	4.0	5.4	12.1	16.3
Equity earnings in subsidiaries	0.3	1.3	(5.7)	(3.0)
Miscellaneous expense (income), net	0.1	(8.6)	(0.6)	(9.5)
Income before Provision for Income Taxes	115.8	100.7	328.6	251.2
Provision (Benefit) for Income Taxes	38.3	35.5	109.6	86.4
Net Income	77.5	65.2	219.0	164.8
Other Comprehensive Income (Loss) Items:
Foreign currency translation adjustments	10.0	(1.5)	(3.4)	(18.5)
Defined benefit pension plans, net of tax	0.4	0.3	1.2	1.0
Other Comprehensive Income (Loss), net of tax	10.4	(1.2)	(2.2)	(17.5)
Comprehensive Income	87.9	64.0	216.8	147.3
Subsidiary Guarantor
Net Sales:
External sales	0.0	0.0	0.0	0.0
Intercompany sales	12.2	10.5	34.4	29.7
Total Sales	12.2	10.5	34.4	29.7
Cost of Products Sold	0.0	0.0	0.0	0.0
Gross Profit	12.2	10.5	34.4	29.7
Selling, Distribution, and Administrative Expenses	0.9	1.0	2.9	3.0
Intercompany charges	0.0	0.0	0.0	0.0
Special Charge	0.0	0.0	0.0	0.0
Operating Profit	11.3	9.5	31.5	26.7
Interest expense, net	0.0	0.0	0.0	0.0
Equity earnings in subsidiaries	0.0	0.0	0.0	0.0
Miscellaneous expense (income), net	0.0	0.0	0.0	0.0
Income before Provision for Income Taxes	11.3	9.5	31.5	26.7
Provision (Benefit) for Income Taxes	4.6	3.8	12.8	10.7
Net Income	6.7	5.7	18.7	16.0
Other Comprehensive Income (Loss) Items:
Foreign currency translation adjustments	0.0	0.0	0.0	0.0
Defined benefit pension plans, net of tax	0.0	0.0	0.0	0.0
Other Comprehensive Income (Loss), net of tax	0.0	0.0	0.0	0.0
Comprehensive Income	6.7	5.7	18.7	16.0
Non- Guarantors
Net Sales:
External sales	97.7	61.5	267.6	188.6
Intercompany sales	29.9	21.9	91.4	72.1
Total Sales	127.6	83.4	359.0	260.7
Cost of Products Sold	97.1	66.0	268.1	197.6
Gross Profit	30.5	17.4	90.9	63.1
Selling, Distribution, and Administrative Expenses	29.2	19.0	83.4	58.2
Intercompany charges	0.4	0.4	1.4	1.2
Special Charge	0.0	0.0	0.0	0.0
Operating Profit	0.9	(2.0)	6.1	3.7
Interest expense, net	1.5	0.0	4.2	(0.1)
Equity earnings in subsidiaries	0.0	0.0	0.2	0.0
Miscellaneous expense (income), net	0.2	(0.9)	(0.9)	(1.0)
Income before Provision for Income Taxes	(0.8)	(1.1)	2.6	4.8
Provision (Benefit) for Income Taxes	0.7	0.4	1.3	2.1
Net Income	(1.5)	(1.5)	1.3	2.7
Other Comprehensive Income (Loss) Items:
Foreign currency translation adjustments	0.0	0.0	0.0	0.0
Defined benefit pension plans, net of tax	0.4	0.3	1.0	0.2
Other Comprehensive Income (Loss), net of tax	0.4	0.3	1.0	0.2
Comprehensive Income	$ (1.1)	$ (1.2)	$ 2.3	$ 2.9