Operating Segment Information - Summary of Sales by Type of Similar Products and Services (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 22, 2013	Jun. 23, 2012
Revenue from External Customer [Line Items]
Consolidated net sales	$ 612,405	$ 603,912
Percentage Consolidated Net Sale	100.00%	100.00%
Operating Segments [Member] | Non Perishables [Member]
Revenue from External Customer [Line Items]
Consolidated net sales	296,441	292,696
Percentage Consolidated Net Sale	48.40%	48.50%
Operating Segments [Member] | Perishables [Member]
Revenue from External Customer [Line Items]
Consolidated net sales	222,891	219,656
Percentage Consolidated Net Sale	36.40%	36.40%
Operating Segments [Member] | Pharmacy [Member]
Revenue from External Customer [Line Items]
Consolidated net sales	47,866	49,761
Percentage Consolidated Net Sale	7.80%	8.20%
Operating Segments [Member] | Fuel [Member]
Revenue from External Customer [Line Items]
Consolidated net sales	$ 45,207	$ 41,799
Percentage Consolidated Net Sale	7.40%	6.90%