The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation 12B
-Number 240
-Section 12
-Subsection b-2

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Three digit plan number for a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
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Indicate the multiemployer plan's certified zone status as currently required by the Pension Protection Act of 2006 or a subsequent amendment thereof. The zone status categories are red (critical status), orange (seriously endangered), yellow (endangered), and green (none of the above). The acceptable values are "red", "orange", "yellow", "green", "other", and "NA". A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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-Paragraph 5
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Indicate whether a funding improvement plan or rehabilitation plan has been implemented or is pending for a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. The acceptable values are "no", "pending", "implemented", "other", and "NA".

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-Publisher FASB
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-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (f)(1)
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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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Amount of contributions made to multiemployer plan by all employers who participate in plan.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 7
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Indicate whether the employer paid a surcharge to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. The acceptable values are "no", "yes", and "NA".

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-SubTopic 80
-Section 50
-Paragraph 5
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Multiemployer Plans, Employer Contribution Percentage of Pension Fund Contributions

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PENSION PLANS - Schedule of Multiemployer Plans (Details) - Multiemployer Plans, Pension - USD ($) $ in Thousands	12 Months Ended
	Jul. 27, 2019	Jul. 28, 2018	Jul. 29, 2017
Multiemployer Plans [Line Items]
Total Contributions	$ 5,835	$ 5,633
Pension Plan of Local 464A
Multiemployer Plans [Line Items]
EIN / Pension Plan Number	226051600
Multiemployer Plan Number	001
Pension Protection Act Zone Status		Green	Green
UFCW Local 1262 & Employers Pension Fund
Multiemployer Plans [Line Items]
EIN / Pension Plan Number	226074414
Multiemployer Plan Number	001
Pension Protection Act Zone Status		Red	Red
FIP/RP Status Pending / Implemented	Implemented
Surcharge Imposed	No
UFCW Regional Pension Plan
Multiemployer Plans [Line Items]
EIN / Pension Plan Number	166062287
Multiemployer Plan Number	074
Pension Protection Act Zone Status		Red	Red
FIP/RP Status Pending / Implemented	Implemented
Surcharge Imposed	No
Employer contribution, percentage of pension fund contributions (more than)	5.00%