Operating Segment Information - Schedule of Segment Reporting Information, by Operating Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 22, 2013	Jun. 23, 2012	Mar. 30, 2013
Segment Reporting Information [Line Items]
Net sales	$ 612,405	$ 603,912
Inter-segment sales	150,760	149,624
Depreciation and amortization	9,491	8,670
Operating earnings	9,936	11,713
Capital expenditures	9,241	6,544
Total assets	792,291		789,667
Operating Segments [Member] | Distribution [Member]
Segment Reporting Information [Line Items]
Net sales	258,574	258,348
Inter-segment sales	150,760	149,624
Depreciation and amortization	2,094	1,959
Operating earnings	5,693	7,822
Capital expenditures	2,742	1,430
Total assets	262,650		254,326
Operating Segments [Member] | Retail [Member]
Segment Reporting Information [Line Items]
Net sales	353,831	345,564
Inter-segment sales
Depreciation and amortization	7,397	6,711
Operating earnings	4,243	3,891
Capital expenditures	6,499	5,114
Total assets	524,306		529,840
Operating Segments [Member] | Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Total assets	$ 5,335		$ 5,501