Potential Compensation Expense for Performance Based Shares If Performance Goals Are Met

No definition available.

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- Definition

Share-based compensation by share-based payment award, equity awards other than options, target amount of performance shares

+ References

No definition available.

+ Details

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

+ Details

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (j)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

+ Details

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

+ Details

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

+ Details

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

+ Details

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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

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

+ Details

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Stock-Based Awards - Narratives (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Jul. 29, 2017	Jul. 28, 2018	Jul. 29, 2017	Jul. 30, 2016	Jul. 25, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from stock options exercised			$ 1,449	$ 2,745	$ 8,922
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to stock options	$ 2,800		$ 2,800
Total compensation cost not yet recognized, period for recognition	2 years 7 months 1 day
Share price (usd per share)	$ 90.30		$ 90.30
Intrinsic value of options exercised			$ 7,800	15,000	24,900
Proceeds from stock options exercised			1,400	$ 2,700	8,900
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to stock options	$ 8,500		$ 8,500
Total compensation cost not yet recognized, period for recognition	2 years 7 months 1 day
Granted (in shares)			66,382
Forfeited or canceled (in shares)			3,995
Shares outstanding (in shares)	187,465		187,465	251,264
Share units vested (in shares)			126,186
Fair value of shares expected to vest			$ 33,200	$ 39,100	$ 15,200
Performance RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to stock options	$ 18,500		18,500
Total compensation cost not yet recognized, period for recognition	2 years 1 day
Compensation expense	$ 6,700		$ 6,700
RSUs outstanding (in shares)			198,140
Granted (in shares)			274,282
Forfeited or canceled (in shares)			58,778
Shares outstanding (in shares)	553,882		553,882	625,971
Share units vested (in shares)			287,593
Target Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	413,805		413,805
Supplemental Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			76,142
Forfeited or canceled (in shares)			49,797
Shares outstanding (in shares)	140,077		140,077
Supplemental Shares \| Forecasted
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Forfeited or canceled (in shares)		21,136
Share units vested (in shares)		46,211