Associate Retirement Plans	6 Months Ended
Jul. 11, 2020
Compensation And Retirement Disclosure [Abstract]
Associate Retirement Plans	Note 9 – Associate Retirement Plans During the 12- and 28-week periods ended July 11, 2020, the Company recognized net periodic postretirement benefit costs of $0.1 million and $0.3 million, respectively, related to the SpartanNash Retiree Medical Plan (“Retiree Medical Plan”). The Company also realized a gain of $1.0 million in the 28-week period ended July 11, 2020 related to a refund from the annuity provider associated with the final reconciliation of participant data of the terminated SpartanNash Company Pension Plan (“Pension Plan”). In addition to the other remaining assets in the pension trust, these funds will be used to satisfy obligations associated with other qualified retirement programs. During the 12- and 28-week periods ended July 13, 2019, the Company recognized net periodic pension expense of $8.8 million and $9.2 million, respectively, related to the Pension Plan and net periodic postretirement benefit costs of $0.1 million and $0.2 million, respectively, for the Retiree Medical Plan. Substantially all of these amounts are included in Postretirement benefit expense (income) in the condensed consolidated statements of operations. The Company expects to make total contributions of approximately $0.5 million in 2020 to the Retiree Medical Plan and has made $0.2 million in the year-to-date period. The Company’s retirement programs also include defined contribution plans providing contributory benefits, as well as executive compensation plans for a select group of management personnel and/or highly compensated associates. Multi-Employer Plans In addition to the plans listed above, the Company participates in the Central States Southeast and Southwest Pension Fund, the Michigan Conference of Teamsters and Ohio Conference of Teamsters Health and Welfare plans (collectively referred to as “multi-employer plans”), and other company-sponsored defined contribution plans for most associates covered by collective bargaining agreements. With respect to the Company’s participation in the Central States Plan, expense is recognized as contributions are payable. The Company’s contributions during the 12-week periods ended July 11, 2020 and July 13, 2019 were $3.5 million and $3.4 million, respectively. The Company’s contributions during the 28-week periods ended July 11, 2020 and July 13, 2019 were $8.1 million and $8.2 million, respectively. See Note 8 for further information regarding contingencies related to the Company’s participation in the Central States Plan.

Associate Retirement Plans

6 Months Ended

Jul. 11, 2020

Compensation And Retirement Disclosure [Abstract]

Note 9 – Associate Retirement Plans

During the 12- and 28-week periods ended July 11, 2020, the Company recognized net periodic postretirement benefit costs of $0.1 million and $0.3 million, respectively, related to the SpartanNash Retiree Medical Plan (“Retiree Medical Plan”). The Company also realized a gain of $1.0 million in the 28-week period ended July 11, 2020 related to a refund from the annuity provider associated with the final reconciliation of participant data of the terminated SpartanNash Company Pension Plan (“Pension Plan”). In addition to the other remaining assets in the pension trust, these funds will be used to satisfy obligations associated with other qualified retirement programs. During the 12- and 28-week periods ended July 13, 2019, the Company recognized net periodic pension expense of $8.8 million and $9.2 million, respectively, related to the Pension Plan and net periodic postretirement benefit costs of $0.1 million and $0.2 million, respectively, for the Retiree Medical Plan. Substantially all of these amounts are included in Postretirement benefit expense (income) in the condensed consolidated statements of operations.

The Company expects to make total contributions of approximately $0.5 million in 2020 to the Retiree Medical Plan and has made $0.2 million in the year-to-date period. The Company’s retirement programs also include defined contribution plans providing contributory benefits, as well as executive compensation plans for a select group of management personnel and/or highly compensated associates.

Multi-Employer Plans

In addition to the plans listed above, the Company participates in the Central States Southeast and Southwest Pension Fund, the Michigan Conference of Teamsters and Ohio Conference of Teamsters Health and Welfare plans (collectively referred to as “multi-employer plans”), and other company-sponsored defined contribution plans for most associates covered by collective bargaining agreements.

With respect to the Company’s participation in the Central States Plan, expense is recognized as contributions are payable. The Company’s contributions during the 12-week periods ended July 11, 2020 and July 13, 2019 were $3.5 million and $3.4 million, respectively. The Company’s contributions during the 28-week periods ended July 11, 2020 and July 13, 2019 were $8.1 million and $8.2 million, respectively. See Note 8 for further information regarding contingencies related to the Company’s participation in the Central States Plan.