XML 27 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Long-term debt - Additional Information (Detail) | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 29, 2014 USD ($) | Mar. 29, 2014 CAD | Dec. 11, 2013 USD ($) | Dec. 11, 2013 CAD | Mar. 30, 2013 USD ($)
Debt Disclosure [Abstract] |  |  |  |  |
Outstanding letters of credit | $ 1,900,000 |  |  |  | $ 1,700,000
Lease period | 20 years | 20 years |  |  |
Annual rent rate | $ 2,000,000 | 2,013,138 | $ 1,800,000 | 2,013,138 |
Increase in percentage of annual rent rate | 10.00% | 10.00% |  |  |
Condition for lease agreement | The Company has four options to renew and extend the term of the lease for four further terms of five years each, except for the last option which is five years less eleven days, terminating on November 30, 2040. Subject to specific terms and conditions, the Company also has two options to purchase the premises, which may be exercised no later than six months prior to the end of the fifteenth year of the term of the lease and the end of the twentieth year of the term of the lease, respectively. | The Company has four options to renew and extend the term of the lease for four further terms of five years each, except for the last option which is five years less eleven days, terminating on November 30, 2040. Subject to specific terms and conditions, the Company also has two options to purchase the premises, which may be exercised no later than six months prior to the end of the fifteenth year of the term of the lease and the end of the twentieth year of the term of the lease, respectively. |  |  |

X
- Definition Capital Lease Net Annual Rental Payment + References No definition available. + Details
Name: | bgi_CapitalLeaseNetAnnualRentalPayment
Namespace Prefix: | bgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Capital Leases Expiration Period + References No definition available. + Details
Name: | bgi_CapitalLeasesExpirationPeriod
Namespace Prefix: | bgi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage points added to the reference rate to compute the variable rate on the lessee's capital lease. + References No definition available. + Details
Name: | us-gaap_CapitalLeasesOfLesseeContingentRentalsBasisSpreadOnVariableRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A general description of the lessee's leasing arrangements including, but not limited to, the following: a) the basis on which contingent rental payments are determined; (b) the existence and terms of renewal or purchase options and escalation clauses; (c) restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 25 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6394851&loc=SL2265659-115463 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 15 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=6451445&loc=d3e32400-112679 + Details
Name: | us-gaap_DescriptionOfLesseeLeasingArrangementsCapitalLeases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant