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Bank Indebtedness - Summary of Company's Senior Credit Facility (Detail) (Senior Secured Notes [Member], USD $) | 12 Months Ended
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Mar. 30, 2013 | Mar. 31, 2012
Senior Secured Notes [Member] |  |
Credit Facilities [Line Items] |  |
Maximum borrowing outstanding during the year | $ 100,548,000 | $ 88,143,000
Average outstanding balance during the year | $ 78,371,000 | $ 71,045,000
Weighted average interest rate for the year | 3.60% | 3.60%
Effective interest rate at year-end | 3.60% | 3.60%

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- Details
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- Definition Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of debt outstanding by type or by instrument at that time. + References No definition available. + Details
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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum amount borrowed under the credit facility at any time during the period. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration