Basis of Presentation (detail) (USD $)	3 Months Ended		9 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012
Sales Revenue [Line Items]
Net Sales	$ 477,694,000	$ 452,731,000	$ 1,046,449,000	$ 1,001,375,000
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Purchase Price	5,000,000		5,000,000
Allens Deposit	7,500,000		7,500,000
Allens Inc [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Purchase Price	148,000,000		148,000,000
General Mills Operations Llc [Member]
Sales Revenue [Line Items]
Net Sales			$ 150,345,000	$ 151,240,000