Employee Benefit Plans (Details) - USD ($) $ in Millions	9 Months Ended
May 02, 2020	May 04, 2019
LTIP \| Minimum
Income Statement, Balance Sheet and Additional Disclosures [Line Items]
Performance period	1 year
LTIP \| Maximum
Income Statement, Balance Sheet and Additional Disclosures [Line Items]
Performance period	3 years
Cash Settled L T I P Awards
Income Statement, Balance Sheet and Additional Disclosures [Line Items]
Total unrecognized compensation	$ 6.9
Weighted-average vesting period	1 year 1 month 6 days
Liability for LTIP Awards	$ 9.3
Deferred compensation arrangements, cash settlement	0.0
Cash Settled L T I P Awards \| Selling, General and Administrative Expenses
Income Statement, Balance Sheet and Additional Disclosures [Line Items]
Compensation expense	(1.4)	$ 2.1
Accrued Expenses and Other Current Liabilities \| Cash Settled L T I P Awards
Income Statement, Balance Sheet and Additional Disclosures [Line Items]
Liability for LTIP Awards	3.3
Other Noncurrent Liabilities \| Cash Settled L T I P Awards
Income Statement, Balance Sheet and Additional Disclosures [Line Items]
Liability for LTIP Awards	$ 6.0

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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

+ References

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+ References

No definition available.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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+ References

No definition available.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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