Associate Retirement Plans	6 Months Ended
Jul. 13, 2019
Compensation And Retirement Disclosure [Abstract]
Associate Retirement Plans	Note 10 – Associate Retirement Plans 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 SpartanNash Company Pension Plan (“Pension Plan” or “Plan”) and net postretirement benefit costs of $0.1 million and $0.2 million, respectively, related to the SpartanNash Retiree Medical Plan. During the 12- and 28-week periods ended July 14, 2018, the Company recognized net periodic pension income of $0.1 million and $0.2 million, respectively, and net postretirement benefit costs of $0.1 million and $0.2 million, respectively for the aforementioned plans. Substantially all of these amounts are included in Postretirement benefit expense (income) in the condensed consolidated statements of operations. On February 28, 2018, the Company’s Board of Directors granted approval to proceed with terminating the frozen Pension Plan. The Plan was terminated on July 31, 2018. The Company offered participants the option to receive an annuity or lump sum distribution which may be rolled over into another qualified plan. The distribution of assets to plan participants commenced in the second quarter and is expected to be completed in the third quarter of 2019. The Company will incur pre-tax settlement charges estimated to be $19 to $20 million to recognize the deferred losses in AOCI upon distribution of the Plan assets and related recognition of the settlement as well as other termination expenses, of which $8.9 million was recognized in the 28 weeks ended July 13, 2019. The Company expects the Plan termination will reduce administrative fees and premium funding costs in future periods. The Company did not make any contributions to the Pension Plan during the 28-week period ended July 13, 2019. The Company may make contributions to the Pension Plan in 2019 depending on actual termination costs and the value of Pension Plan assets upon final distribution. The Company expects to make total contributions of $0.4 million in 2019 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 funded. The Company’s contributions during the 12-week periods ended July 13, 2019 and July 14, 2018 were $3.4 million. The Company’s contributions during the 28-week periods ended July 13, 2019 and July 14, 2018 were $8.2 million and $7.9 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. 13, 2019

Compensation And Retirement Disclosure [Abstract]

Note 10 – Associate Retirement Plans

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 SpartanNash Company Pension Plan (“Pension Plan” or “Plan”) and net postretirement benefit costs of $0.1 million and $0.2 million, respectively, related to the SpartanNash Retiree Medical Plan. During the 12- and 28-week periods ended July 14, 2018, the Company recognized net periodic pension income of $0.1 million and $0.2 million, respectively, and net postretirement benefit costs of $0.1 million and $0.2 million, respectively for the aforementioned plans. Substantially all of these amounts are included in Postretirement benefit expense (income) in the condensed consolidated statements of operations.

On February 28, 2018, the Company’s Board of Directors granted approval to proceed with terminating the frozen Pension Plan. The Plan was terminated on July 31, 2018. The Company offered participants the option to receive an annuity or lump sum distribution which may be rolled over into another qualified plan. The distribution of assets to plan participants commenced in the second quarter and is expected to be completed in the third quarter of 2019. The Company will incur pre-tax settlement charges estimated to be $19 to $20 million to recognize the deferred losses in AOCI upon distribution of the Plan assets and related recognition of the settlement as well as other termination expenses, of which $8.9 million was recognized in the 28 weeks ended July 13, 2019. The Company expects the Plan termination will reduce administrative fees and premium funding costs in future periods.

The Company did not make any contributions to the Pension Plan during the 28-week period ended July 13, 2019. The Company may make contributions to the Pension Plan in 2019 depending on actual termination costs and the value of Pension Plan assets upon final distribution. The Company expects to make total contributions of $0.4 million in 2019 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 funded. The Company’s contributions during the 12-week periods ended July 13, 2019 and July 14, 2018 were $3.4 million. The Company’s contributions during the 28-week periods ended July 13, 2019 and July 14, 2018 were $8.2 million and $7.9 million, respectively. See Note 8 for further information regarding contingencies related to the Company’s participation in the Central States Plan.