Associate Retirement Plans	6 Months Ended
Jul. 15, 2017
Compensation And Retirement Disclosure [Abstract]
Associate Retirement Plans	Note 9 – Associate Retirement Plans During the 12 and 28-week periods ended July 15, 2017, the Company recognized net periodic pension income of $0.2 million and $0.3 million, respectively, related to the SpartanNash Company Pension Plan and net postretirement benefit costs of $0.1 million and $0.2 million, respectively, related to the SpartanNash Medical Plan. The Company did not make any contributions to the SpartanNash Company Pension Plan during the 28 weeks ended July 15, 2017. The Company does not expect, and is not required, to make any contributions for the remainder of the fiscal year ending December 30, 2017. 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 (EIN 7456500), 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 for the 28 weeks ended July 15, 2017 and July 16, 2016 were $7.8 million and $7.5 million, respectively. See Note 8 for further information regarding the Company’s participation in the Central States Plan.

Note 9 – Associate Retirement Plans

During the 12 and 28-week periods ended July 15, 2017, the Company recognized net periodic pension income of $0.2 million and $0.3 million, respectively, related to the SpartanNash Company Pension Plan and net postretirement benefit costs of $0.1 million and $0.2 million, respectively, related to the SpartanNash Medical Plan.

The Company did not make any contributions to the SpartanNash Company Pension Plan during the 28 weeks ended July 15, 2017. The Company does not expect, and is not required, to make any contributions for the remainder of the fiscal year ending December 30, 2017.

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 (EIN 7456500), 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 for the 28 weeks ended July 15, 2017 and July 16, 2016 were $7.8 million and $7.5 million, respectively. See Note 8 for further information regarding the Company’s participation in the Central States Plan.