Supplemental Guarantor Condensed Consolidating Financial Statements - Balance Sheets (Details) (USD $) In Millions, unless otherwise specified	May 31, 2014	Aug. 31, 2013	May 31, 2013	Aug. 31, 2012
Current Assets:
Cash and cash equivalents	$ 467.3	$ 359.1	$ 301.9	$ 284.5
Accounts receivable, net	352.5	318.3
Inventories	213.8	203.0
Other current assets	36.4	33.1
Total Current Assets	1,070.0	913.5
Property, Plant, and Equipment, net	148.2	147.9
Goodwill	570.1	568.2
Intangible assets, net	235.3	245.1
Other long-term assets	26.2	29.1
Investments in and amounts due from subsidiaries	0	0
Total Assets	2,049.8	1,903.8
Current Liabilities:
Accounts payable	256.6	249.5
Other accrued liabilities	152.1	136.7
Total Current Liabilities	408.7	386.2
Long-Term Debt	353.6	353.6
Deferred Income Taxes	56.4	53.9
Other Long-Term Liabilities	106.3	116.6
Total Stockholders’ Equity	1,124.8	993.5
Total Liabilities and Stockholders’ Equity	2,049.8	1,903.8
Parent
Current Assets:
Cash and cash equivalents	435.2	331.0	275.0	246.6
Accounts receivable, net	0	0
Inventories	0	0
Other current assets	7.0	4.4
Total Current Assets	442.2	335.4
Property, Plant, and Equipment, net	0.4	0.4
Goodwill	0	0
Intangible assets, net	0	0
Other long-term assets	2.7	3.8
Investments in and amounts due from subsidiaries	727.9	701.5
Total Assets	1,173.2	1,041.1
Current Liabilities:
Accounts payable	0.7	1.6
Other accrued liabilities	16.6	17.0
Total Current Liabilities	17.3	18.6
Long-Term Debt	0	0
Deferred Income Taxes	(30.0)	(32.5)
Other Long-Term Liabilities	61.1	61.5
Total Stockholders’ Equity	1,124.8	993.5
Total Liabilities and Stockholders’ Equity	1,173.2	1,041.1
Subsidiary Issuer
Current Assets:
Cash and cash equivalents	2.3	0.8	0	0
Accounts receivable, net	305.5	270.8
Inventories	199.1	191.2
Other current assets	21.4	23.0
Total Current Assets	528.3	485.8
Property, Plant, and Equipment, net	117.0	118.1
Goodwill	518.0	517.0
Intangible assets, net	88.0	99.9
Other long-term assets	17.8	19.4
Investments in and amounts due from subsidiaries	170.9	170.7
Total Assets	1,440.0	1,410.9
Current Liabilities:
Accounts payable	240.5	233.2
Other accrued liabilities	105.5	95.0
Total Current Liabilities	346.0	328.2
Long-Term Debt	353.6	353.6
Deferred Income Taxes	85.9	85.8
Other Long-Term Liabilities	28.1	33.6
Total Stockholders’ Equity	626.4	609.7
Total Liabilities and Stockholders’ Equity	1,440.0	1,410.9
Subsidiary Guarantor
Current Assets:
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Inventories	0	0
Other current assets	0	0
Total Current Assets	0	0
Property, Plant, and Equipment, net	0	0
Goodwill	2.7	2.7
Intangible assets, net	122.5	119.2
Other long-term assets	0	0
Investments in and amounts due from subsidiaries	135.8	118.2
Total Assets	261.0	240.1
Current Liabilities:
Accounts payable	0	0
Other accrued liabilities	0	0
Total Current Liabilities	0	0
Long-Term Debt	0	0
Deferred Income Taxes	0	0
Other Long-Term Liabilities	0	0
Total Stockholders’ Equity	261.0	240.1
Total Liabilities and Stockholders’ Equity	261.0	240.1
Non- Guarantors
Current Assets:
Cash and cash equivalents	29.8	27.3	26.9	37.9
Accounts receivable, net	47.0	47.5
Inventories	14.7	11.8
Other current assets	8.0	5.7
Total Current Assets	99.5	92.3
Property, Plant, and Equipment, net	30.8	29.4
Goodwill	49.4	48.5
Intangible assets, net	24.8	26.0
Other long-term assets	5.7	5.9
Investments in and amounts due from subsidiaries	(53.7)	(61.5)
Total Assets	156.5	140.6
Current Liabilities:
Accounts payable	15.4	14.7
Other accrued liabilities	30.0	24.7
Total Current Liabilities	45.4	39.4
Long-Term Debt	0	0
Deferred Income Taxes	0.5	0.6
Other Long-Term Liabilities	17.1	21.5
Total Stockholders’ Equity	93.5	79.1
Total Liabilities and Stockholders’ Equity	156.5	140.6
Eliminations
Current Assets:
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Inventories	0	0
Other current assets	0	0
Total Current Assets	0	0
Property, Plant, and Equipment, net	0	0
Goodwill	0	0
Intangible assets, net	0	0
Other long-term assets	0	0
Investments in and amounts due from subsidiaries	(980.9)	(928.9)
Total Assets	(980.9)	(928.9)
Current Liabilities:
Accounts payable	0	0
Other accrued liabilities	0	0
Total Current Liabilities	0	0
Long-Term Debt	0	0
Deferred Income Taxes	0	0
Other Long-Term Liabilities	0	0
Total Stockholders’ Equity	(980.9)	(928.9)
Total Liabilities and Stockholders’ Equity	$ (980.9)	$ (928.9)