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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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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Description of timing for satisfying performance obligation in contract with customer. Includes, but is not limited to, as services are rendered, and upon shipment, delivery or completion of service.

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Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Revenue Recognition (Details) - USD ($) $ in Millions	May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018	Sep. 01, 2018
Disaggregation of Revenue [Line Items]
Right of return assets	$ 15.3		$ 15.3		$ 16.4
Timing of revenue recognition			Non-current deferred revenues primarily consist of long-term service-type warranties, which are typically recognized ratably as revenue between five and ten years from the date of sale, and are included within Other long-term liabilities on the Consolidated Balance Sheets
Revenue recognized from beginning balances of contract liabilities			$ 3.7
Revenue \| Concentration \| Short-term Contract with Customers
Disaggregation of Revenue [Line Items]
Revenues generated from short-term contracts (percent)	95.00%	95.00%	95.00%	95.00%
Revenue \| Concentration \| Contracts With Multiple Performance Obligations
Disaggregation of Revenue [Line Items]
Revenues generated from short-term contracts (percent)	5.00%	5.00%	5.00%	5.00%
Rights of return, cash discounts and other miscellaneous credits
Disaggregation of Revenue [Line Items]
Refund liabilities	$ 38.8		$ 38.8		41.2
Marketing and trade-promotion programs
Disaggregation of Revenue [Line Items]
Refund liabilities	$ 31.8		$ 31.8		$ 43.9