For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer.

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Amount of right to recover product from customer on settling refund liability.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017	Sep. 01, 2018
Disaggregation of Revenue [Line Items]
Right of return assets	$ 13.9			$ 16.4
Revenues recognized from beginning balances of contract liabilities	4.1
Customers with Rights of Return, Cash Discounts and Other Credits
Disaggregation of Revenue [Line Items]
Refund liabilities	37.3			41.2
Customers with Rebate, Marketing, and Trade Promotion Programs
Disaggregation of Revenue [Line Items]
Refund liabilities	$ 34.5			$ 43.9
Revenue source \| Net sales
Disaggregation of Revenue [Line Items]
Portion of revenues (percent)	5.00%	5.00%	5.00%
Short-term Contract with Customer \| Revenue source \| Net sales
Disaggregation of Revenue [Line Items]
Portion of revenues (percent)	95.00%	95.00%	95.00%