BENEFIT PLANS - Fair Value of Assets of Company's Benefit Plans Held in Master Trust (Details) $ in Thousands	Oct. 22, 2018 USD ($)
Changes in Plan Assets
Total plan assets at fair value	$ 2,316,606
Assets Measured at NAV	322,562
Common stock
Changes in Plan Assets
Total plan assets at fair value	299,234
Assets Measured at NAV	0
Common collective trusts
Changes in Plan Assets
Total plan assets at fair value	818,052
Assets Measured at NAV	78,230
Corporate bonds
Changes in Plan Assets
Total plan assets at fair value	368,145
Assets Measured at NAV	0
Government securities
Changes in Plan Assets
Total plan assets at fair value	206,309
Assets Measured at NAV	0
Mutual funds
Changes in Plan Assets
Total plan assets at fair value	310,469
Assets Measured at NAV	0
Mortgage-backed securities
Changes in Plan Assets
Total plan assets at fair value	14,920
Assets Measured at NAV	0
Other
Changes in Plan Assets
Total plan assets at fair value	55,145
Assets Measured at NAV	0
Private equity and real estate partnerships
Changes in Plan Assets
Total plan assets at fair value	244,332
Assets Measured at NAV	244,332
Level 1
Changes in Plan Assets
Total plan assets at fair value	404,103
Level 1 | Common stock
Changes in Plan Assets
Total plan assets at fair value	299,234
Level 1 | Common collective trusts
Changes in Plan Assets
Total plan assets at fair value	0
Level 1 | Corporate bonds
Changes in Plan Assets
Total plan assets at fair value	0
Level 1 | Government securities
Changes in Plan Assets
Total plan assets at fair value	51,030
Level 1 | Mutual funds
Changes in Plan Assets
Total plan assets at fair value	887
Level 1 | Mortgage-backed securities
Changes in Plan Assets
Total plan assets at fair value	0
Level 1 | Other
Changes in Plan Assets
Total plan assets at fair value	52,952
Level 1 | Private equity and real estate partnerships
Changes in Plan Assets
Total plan assets at fair value	0
Level 2
Changes in Plan Assets
Total plan assets at fair value	1,589,941
Level 2 | Common stock
Changes in Plan Assets
Total plan assets at fair value	0
Level 2 | Common collective trusts
Changes in Plan Assets
Total plan assets at fair value	739,822
Level 2 | Corporate bonds
Changes in Plan Assets
Total plan assets at fair value	368,145
Level 2 | Government securities
Changes in Plan Assets
Total plan assets at fair value	155,279
Level 2 | Mutual funds
Changes in Plan Assets
Total plan assets at fair value	309,582
Level 2 | Mortgage-backed securities
Changes in Plan Assets
Total plan assets at fair value	14,920
Level 2 | Other
Changes in Plan Assets
Total plan assets at fair value	2,193
Level 2 | Private equity and real estate partnerships
Changes in Plan Assets
Total plan assets at fair value	0
Level 3
Changes in Plan Assets
Total plan assets at fair value	0
Level 3 | Common stock
Changes in Plan Assets
Total plan assets at fair value	0
Level 3 | Common collective trusts
Changes in Plan Assets
Total plan assets at fair value	0
Level 3 | Corporate bonds
Changes in Plan Assets
Total plan assets at fair value	0
Level 3 | Government securities
Changes in Plan Assets
Total plan assets at fair value	0
Level 3 | Mutual funds
Changes in Plan Assets
Total plan assets at fair value	0
Level 3 | Mortgage-backed securities
Changes in Plan Assets
Total plan assets at fair value	0
Level 3 | Other
Changes in Plan Assets
Total plan assets at fair value	0
Level 3 | Private equity and real estate partnerships
Changes in Plan Assets
Total plan assets at fair value	$ 0