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Benefit Plans and Stock-Based Compensation - Summary of Stock Option Plans (Detail) - $ / shares | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 28, 2015 | Mar. 29, 2014 | Mar. 30, 2013 | Mar. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Number outstanding | 441,162 | 664,585 | 624,618 | 496,118
Options outstanding and exercisable Weighted average exercise price | $ 1.15 | $ 1.21 | $ 1.18 | $ 1.26
Mayors Stock Option Plan [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Number outstanding | 926 | 3,836 | 9,081 | 217,746
Options outstanding and exercisable Weighted average remaining life (years) | 5 years 1 month 6 days |  |  |
Options outstanding and exercisable Weighted average exercise price | $ 1.05 | $ 5.19 | $ 7.18 | $ 6.06
Mayors Stock Option Plan [Member] | Exercise Prices ($ 1.05) [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Range of exercise price, Upper limit | $ 1.05 |  |  |
Number outstanding | 926 |  |  |
Options outstanding and exercisable Weighted average remaining life (years) | 5 years 1 month 6 days |  |  |
Options outstanding and exercisable Weighted average exercise price | $ 1.05 |  |  |

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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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