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Consolidated Statements of Stockholders Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Stock right offering, net of taxes	$ 0	$ 0
Voting common stock outstanding [Member]
Stock right offering, net of taxes	0	0
Voting common stock [Member]
Stock right offering, net of taxes	$ 0	$ 0

X

- Definition

Stock Issued During Period Tax Effect

+ References

No definition available.

+ Details

Name:	bgi_StockIssuedDuringPeriodTaxEffect
Namespace Prefix:	bgi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration