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Annual report pursuant to Section 13 and 15(d)

RETIREMENT AND SAVINGS BENEFIT PLANS - Fair Value of Investments Held by Defined Benefit Plan (Details)

v3.19.1
RETIREMENT AND SAVINGS BENEFIT PLANS - Fair Value of Investments Held by Defined Benefit Plan (Details) - Pension Plan - USD ($)
$ in Thousands
Mar. 30, 2019
Mar. 31, 2018
Dec. 30, 2017
Dec. 31, 2016
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets in the fair value hierarchy $ 74,204 $ 75,055 $ 77,275 Ìý
Total plan assets measured at net asset value 1,676,890 1,676,705 1,732,374 Ìý
Total plan assets 1,751,094 1,751,760 1,809,649 $ 1,673,297
Cash equivalents Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets measured at net asset value 36,349 38,833 36,313 Ìý
Total plan assets 3,023 14,694 8,191 Ìý
U.S. Treasury and government agencies Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 7 8 8 Ìý
Insurance contracts Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 71,521 67,444 69,448 Ìý
Commodities Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets (347) (7,091) (372) Ìý
Corporate and international bonds Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets measured at net asset value 1,309,123 1,211,103 1,215,558 Ìý
Alternative investments Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets measured at net asset value 150,993 156,481 154,741 Ìý
Domestic | Equity Securities Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets measured at net asset value 82,659 114,958 152,154 Ìý
International | Equity Securities Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets measured at net asset value 97,766 155,330 173,608 Ìý
Level 1 Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 2,676 7,603 7,819 Ìý
Level 1 | Cash equivalents Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 3,023 14,694 8,191 Ìý
Level 1 | U.S. Treasury and government agencies Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 0 0 0 Ìý
Level 1 | Insurance contracts Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 0 0 0 Ìý
Level 1 | Commodities Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets (347) (7,091) (372) Ìý
Level 2 Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 71,528 67,452 69,456 Ìý
Level 2 | Cash equivalents Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 0 0 0 Ìý
Level 2 | U.S. Treasury and government agencies Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 7 8 8 Ìý
Level 2 | Insurance contracts Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 71,521 67,444 69,448 Ìý
Level 2 | Commodities Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 0 0 0 Ìý
Level 3 Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 0 0 0 Ìý
Level 3 | Cash equivalents Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 0 0 0 Ìý
Level 3 | U.S. Treasury and government agencies Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 0 0 0 Ìý
Level 3 | Insurance contracts Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets 0 0 0 Ìý
Level 3 | Commodities Ìý Ìý Ìý Ìý
Defined Benefit Plan, Plan Assets, Valuation Technique and Inputs [Abstract] Ìý Ìý Ìý Ìý
Total plan assets $ 0 $ 0 $ 0 Ìý