PENSION PLANS - Changes in Benefit Obligations and Reconciliation of Funded Status (Details) - USD ($) $ in Thousands	12 Months Ended
Jul. 27, 2019	Jul. 28, 2018
Changes in Benefit Obligation:
Benefit obligation at beginning of year	$ 69,553	$ 71,701
Service cost	213	259
Interest cost	2,674	2,515
Benefits paid	(779)	(643)
Settlement	(6,331)	(4,317)
Actuarial loss	4,602	38
Benefit obligation at end of year	69,932	69,553
Changes in Plan Assets:
Fair value of plan assets at beginning of year	61,071	56,507
Actual return on plan assets	6,203	3,014
Employer contributions	5,009	6,510
Benefits paid	(779)	(643)
Settlements paid	(6,331)	(4,317)
Fair value of plan assets at end of year	65,173	61,071
Funded status at end of year	4,759	8,482
Amounts recognized in the consolidated balance sheets:
Pension liabilities	4,759	8,482
Accumulated other comprehensive loss, net of income taxes	8,342	8,185
Amounts included in Accumulated other comprehensive loss (pre-tax):
Net actuarial loss	$ 11,615	$ 11,388

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e681-108580