v3.20.1

Indebtedness - Narrative (Details) - Line of Credit		12 Months Ended
	Aug. 30, 2019 USD ($)	Jan. 31, 2020 USD ($)
Minimum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable rate borrowing spread	1.25%
Minimum | Customary Base Rate
Debt Instrument [Line Items]
Variable rate borrowing spread	0.25%
Maximum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable rate borrowing spread	2.25%
Maximum | Customary Base Rate
Debt Instrument [Line Items]
Variable rate borrowing spread	1.25%
Credit Agreement
Debt Instrument [Line Items]
Stated interest rate		3.65%
Effective interest rate		4.10%
Acquisition threshold for maximum total net leverage ratio	$ 100,000,000
Maximum interest coverage ratio	3.00
Credit Agreement | Debt Covenant, beginning August 30, 2019
Debt Instrument [Line Items]
Leverage ratio	5.25
Credit Agreement | Debt covenant, beginning July 31, 2020
Debt Instrument [Line Items]
Leverage ratio	5.00
Credit Agreement | Debt covenant, beginning July 31, 2021
Debt Instrument [Line Items]
Leverage ratio	4.50
Credit Agreement | Debt covenant, acquisition holiday provision
Debt Instrument [Line Items]
Leverage ratio	5.00
Credit Agreement | Term Loan Facility
Debt Instrument [Line Items]
Credit facilities	$ 1,250,000,000
Debt term	5 years
Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Credit facilities	$ 350,000,000
Debt term	5 years
Credit Agreement | Revolving Credit Facility | Minimum
Debt Instrument [Line Items]
Commitment fee percentage		0.20%
Credit Agreement | Revolving Credit Facility | Maximum
Debt Instrument [Line Items]
Commitment fee percentage		0.40%
Credit Agreement Prior to Acquisition | Revolving Credit Facility
Debt Instrument [Line Items]
Amounts drawn under Credit Agreement		$ 0

X

- Definition

Debt Instrument Covenant Description Acquisition Threshold For Maximum Total Net Leverage Ratio

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- Definition

Debt Instrument, Covenant Description, Interest Coverage Ratio

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
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-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

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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No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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X

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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X

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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