Merger (Details) (Scenario, Forecast [Member], USD $) In Billions, unless otherwise specified	0 Months Ended
	Jul. 27, 2013
Merger (Details) [Line Items]
Business Combination, Consideration Transferred (in Dollars)	$ 1.3
Stock Exchange Ratio	1.2
Spartan Stores Shareholders [Member]
Merger (Details) [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage	57.70%
Former Nash-Finch Shareholders [Member]
Merger (Details) [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage	42.30%