Basis of Presentation (detail) - USD ($)	3 Months Ended	6 Months Ended
Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
Sales Revenue [Line Items]
Net Sales	$ 357,247,000	$ 313,202,000	$ 609,861,000	$ 539,460,000
B&G Foods, Inc [Member]
Sales Revenue [Line Items]
Net Sales			$ 54,146,000	$ 32,765,000

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration