Associate Retirement Plans	4 Months Ended
Apr. 18, 2020
Compensation And Retirement Disclosure [Abstract]
Associate Retirement Plans	Note 9 – Associate Retirement Plans During the 16-week period ended April 18, 2020, the Company recognized net periodic postretirement benefit costs of $0.2 million related to the SpartanNash Retiree Medical Plan (“Retiree Medical Plan”). The Company also realized a gain of $1.0 million 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 remaining assets in the pension trust, these funds will be used to satisfy obligations associated with other qualified retirement programs. During the 16-week period ended April 20, 2019, the Company recognized net periodic pension expense of $0.4 million and net periodic postretirement benefit costs of $0.1 million for the Pension Plan and Medical Plan, respectively. Substantially all of these amounts are included in Postretirement benefit expense (income) in the condensed consolidated statements of earnings. The Company expects to make total contributions of $0.5 million in 2020 to the Retiree Medical Plan and has made $0.1 million in the first quarter. 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 funded. The Company’s contributions during the 16-week periods ended April 18, 2020 and April 20, 2019 were $4.6 million and $4.8 million, respectively. See Note 8 for further information regarding contingencies related to the Company’s participation in the Central States Plan.

Associate Retirement Plans

4 Months Ended

Apr. 18, 2020

Compensation And Retirement Disclosure [Abstract]

Note 9 – Associate Retirement Plans

During the 16-week period ended April 18, 2020, the Company recognized net periodic postretirement benefit costs of $0.2 million related to the SpartanNash Retiree Medical Plan (“Retiree Medical Plan”). The Company also realized a gain of $1.0 million 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 remaining assets in the pension trust, these funds will be used to satisfy obligations associated with other qualified retirement programs. During the 16-week period ended April 20, 2019, the Company recognized net periodic pension expense of $0.4 million and net periodic postretirement benefit costs of $0.1 million for the Pension Plan and Medical Plan, respectively. Substantially all of these amounts are included in Postretirement benefit expense (income) in the condensed consolidated statements of earnings.

The Company expects to make total contributions of $0.5 million in 2020 to the Retiree Medical Plan and has made $0.1 million in the first quarter. 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 funded. The Company’s contributions during the 16-week periods ended April 18, 2020 and April 20, 2019 were $4.6 million and $4.8 million, respectively. See Note 8 for further information regarding contingencies related to the Company’s participation in the Central States Plan.