BENEFIT PLANS - Schedule of Collective Bargaining Agreement Dates and Contributions to Each Plant (Detail)	12 Months Ended
	Feb. 25, 2017 Agreement
Minneapolis Food Distributing Industry Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	1
Expiration Date Regarding Collective Bargaining Agreement	May 31, 2018
Percentage of associates under collective bargaining agreement	100.00%
Over 5% Contribution	Yes
UFCW Unions and Participating Employers Pension Fund
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	2
Expiration Date Regarding Collective Bargaining Agreement	Jul. 08, 2017
Percentage of associates under collective bargaining agreement	68.30%
Over 5% Contribution	Yes
Western Conference of Teamsters Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	8
Expiration Date Regarding Collective Bargaining Agreement	Sep. 26, 2020
Percentage of associates under collective bargaining agreement	42.30%
Over 5% Contribution	No
UFCW Union Local 655 Food Employers Joint Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	1
Expiration Date Regarding Collective Bargaining Agreement	May 11, 2019
Percentage of associates under collective bargaining agreement	100.00%
Over 5% Contribution	Yes
UFCW Unions and Employers Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	2
Expiration Date Regarding Collective Bargaining Agreement	Apr. 06, 2019
Percentage of associates under collective bargaining agreement	75.50%
Over 5% Contribution	Yes
Minneapolis Retail Meat Cutters And Food Handlers Pension Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	1
Expiration Date Regarding Collective Bargaining Agreement	Mar. 03, 2018
Percentage of associates under collective bargaining agreement	100.00%
Over 5% Contribution	Yes
Central States, Southeast and Southwest Areas Pension Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	10
Expiration Date Regarding Collective Bargaining Agreement	May 31, 2019
Percentage of associates under collective bargaining agreement	28.10%
Over 5% Contribution	No