Composite Revenue, Percentage

No definition available.

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- Definition

Amount considered as a portion of total revenue for the fiscal period.

+ References

No definition available.

+ Details

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- Definition

Amounts due from customers or clients, more than one year from the balance sheet date, for goods or services that have been delivered or sold in the normal course of business.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(5))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: 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(17))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Period Type:	instant

- Definition

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

+ Details

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Balance Type:	debit
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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.

+ References

No definition available.

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Significant Accounting Policies and Estimates - Narratives (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jan. 27, 2018	Jan. 26, 2019	Jul. 29, 2017	Jul. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Capitalized Computer Software, Net	$ 28.8	$ 28.5
Composite Revenue, Percentage		10.00%
Windstream
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts Receivable, Gross, Noncurrent		$ 24.8
Revenue Recognized Using Cost To Cost Percentage of Completion Method [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of Revenue		5.00%
Equity Option [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period		10 years
Restricted Stock Units (RSUs) [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		4 years
Performance Shares [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Supplemental Shares
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Maximum [Member] \| Revenue Recognized Using Cost To Cost Percentage of Completion Method [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of Revenue	5.00%		5.00%	5.00%