Note 9 (Details Textual)	3 Months Ended			6 Months Ended		12 Months Ended
	Mar. 28, 2020 USD ($)	Jun. 29, 2019 USD ($)	Mar. 30, 2019 USD ($)	Mar. 28, 2020 USD ($)	Mar. 30, 2019 USD ($)	Sep. 28, 2019 USD ($)
Number of Reportable Segments				3
Revenue from Contract with Customer, Including Assessed Tax	$ 272,042,000		$ 276,302,000	$ 554,939,000	$ 547,914,000
Operating Income (Loss), Total	$ 10,982,000	$ 39,000,000	$ 24,771,000	$ 32,685,000	$ 46,853,000
MARYB's Biscuit Operations [Member]
Revenue from Contract with Customer, Including Assessed Tax						$ 25,316,000
Operating Income (Loss), Total						$ 1,584,000