CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	4 Months Ended
Apr. 25, 2015	Apr. 19, 2014
Cash flows from operating activities
Net earnings	$ 10,327us-gaap_NetIncomeLoss	$ 12,310us-gaap_NetIncomeLoss
Loss from discontinued operations, net of tax	120	209
Earnings from continuing operations	10,447	12,519
Adjustments to reconcile net earnings to net cash provided by operating activities:
Non-cash restructuring and asset impairment charges	5,864	127
Depreciation and amortization	26,168	27,976
LIFO expense	1,723	1,972
Postretirement benefits expense	476	1,378
Deferred taxes on income	4,023us-gaap_DeferredIncomeTaxExpenseBenefit	2,766us-gaap_DeferredIncomeTaxExpenseBenefit
Stock-based compensation expense	4,753us-gaap_ShareBasedCompensation	3,929us-gaap_ShareBasedCompensation
Excess tax benefit on stock compensation	(174)	(131)
Other, net	123us-gaap_OtherNoncashIncomeExpense	(106)us-gaap_OtherNoncashIncomeExpense
Changes in operating assets and liabilities:
Accounts receivable	(30,205)	(24,229)
Inventories	12,495us-gaap_IncreaseDecreaseInInventories	29,511us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets	5,195	6,626
Accounts payable	31,346	(1,042)
Accrued payroll and benefits	(13,812)	(13,105)
Postretirement benefit payments	(650)	(3,623)
Other accrued expenses and other liabilities	(8,831)	(11,973)
Net cash provided by operating activities	48,941	32,595
Cash flows from investing activities
Purchases of property and equipment	(12,724)	(22,839)
Net proceeds from the sale of assets	9,670	1,804
Loans to customers	(1,435)sptn_PaymentsForAdvanceToCustomers	(2,050)sptn_PaymentsForAdvanceToCustomers
Payments from customers on loans	500	1,041
Other	(534)	(19)
Net cash used in investing activities	(4,523)	(22,063)
Cash flows from financing activities
Proceeds from revolving credit facility	269,916us-gaap_ProceedsFromLinesOfCredit	320,864us-gaap_ProceedsFromLinesOfCredit
Payments on revolving credit facility	(301,949)us-gaap_RepaymentsOfLinesOfCredit	(319,051)us-gaap_RepaymentsOfLinesOfCredit
Share repurchase	(2,526)
Repayment of other long-term debt	(2,979)us-gaap_RepaymentsOfOtherLongTermDebt	(2,395)us-gaap_RepaymentsOfOtherLongTermDebt
Financing fees paid	(1,845)us-gaap_PaymentsOfFinancingCosts	(123)us-gaap_PaymentsOfFinancingCosts
Excess tax benefit on stock compensation	174	131
Proceeds from sale of common stock	2,010	657
Dividends paid	(5,092)us-gaap_PaymentsOfDividendsCommonStock	(4,533)us-gaap_PaymentsOfDividendsCommonStock
Net cash used in financing activities	(42,291)	(4,450)
Cash flows from discontinued operations
Net cash used in operating activities	(95)	(234)
Net cash used in discontinued operations	(95)	(234)
Net increase in cash and cash equivalents	2,032	5,848
Cash and cash equivalents at beginning of period	6,443	9,216
Cash and cash equivalents at end of period	$ 8,475	$ 15,064

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- Definition

The amount of pension and other (such as medical, dental and life insurance) postretirement benefit costs recognized during the period for (1) defined benefit plans (periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss) on assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments) and for (2) defined contribution plans (to the extent that a plan's defined contributions to an individual's account are to be made for periods in which that individual renders services, the net cost for a period is the contribution called for in that period; if a plan calls for contributions for periods after an individual retires or terminates, the estimated cost is accrued during the employee's service period).

+ References

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Period Type:	duration

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph f

-Article 4

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph f

-Article 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow attributable to repayments of borrowings not otherwise defined in the taxonomy (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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