Note 2 - Revenue Recognition - Segment Revenue Disaggregated by Product Category Groups (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 30, 2018	Jul. 01, 2017
Net Sales		$ 343,392	$ 280,662
Canned Vegetables [Member]
Net Sales		161,900	153,800
B&G Foods, Inc [Member]
Net Sales	[1]	7,300	11,100
Frozen [Member]
Net Sales		28,100	27,000
Fruit [Member]
Net Sales		120,400	59,900
Chip Products [Member]
Net Sales		2,000	2,300
Prepared Foods [Member]
Net Sales		17,400	21,700
Manufactured Product, Other [Member]
Net Sales		$ 6,300	$ 4,900

[1] B&G includes frozen vegetable sales exclusively for B&G under the Green Giant label.