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Fair Value Measurements (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands | Dec. 26, 2015 | Mar. 28, 2015
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Servicing Asset at Fair Value, Amount |  | $ 738 | $ 475
Estimate of Fair Value Measurement [Member] | Recurring [Member] | US Treasury and Government [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 992 |
Estimate of Fair Value Measurement [Member] | Recurring [Member] | Mortgage-backed securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 6,214 |
Estimate of Fair Value Measurement [Member] | Recurring [Member] | Securities issued by states and political subdivisions [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 7,647 |
Estimate of Fair Value Measurement [Member] | Recurring [Member] | Corporate debt securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 1,162 |
Estimate of Fair Value Measurement [Member] | Recurring [Member] | Marketable equity securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 5,421 |
Estimate of Fair Value Measurement [Member] | Recurring [Member] | Interest rate lock commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 13 |
Estimate of Fair Value Measurement [Member] | Recurring [Member] | Forward loan sale commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | (26) |
Estimate of Fair Value Measurement [Member] | Recurring [Member] | Mortgage servicing rights [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [3] | 738 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | US Treasury and Government [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Mortgage-backed securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Securities issued by states and political subdivisions [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Corporate debt securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Marketable equity securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 5,421 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Interest rate lock commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Forward loan sale commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 0 |
Fair Value, Inputs, Level 1 [Member] | Recurring [Member] | Mortgage servicing rights [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [3] | 0 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | US Treasury and Government [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 992 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Mortgage-backed securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 6,214 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Securities issued by states and political subdivisions [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 7,647 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Corporate debt securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 1,162 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Marketable equity securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Interest rate lock commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 0 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Forward loan sale commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 0 |
Fair Value, Inputs, Level 2 [Member] | Recurring [Member] | Mortgage servicing rights [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [3] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | US Treasury and Government [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Mortgage-backed securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Securities issued by states and political subdivisions [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Corporate debt securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Marketable equity securities [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [1] | 0 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Interest rate lock commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | 13 |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Forward loan sale commitments [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [2] | (26) |
Fair Value, Inputs, Level 3 [Member] | Recurring [Member] | Mortgage servicing rights [Member] |  |  |
Summary of Assets Measured at Fair Value on a Recurring Basis |  |  |
Assets fair value | [3] | $ 738 |
[1] | Unrealized gains or losses on investments are recorded in accumulated other comprehensive income (loss) at each measurement date
[2] | Gains or losses on derivatives are recognized in current period earnings through cost of sales.
[3] | Changes in the fair value of mortgage servicing rights are recognized in the current period earnings through net revenue.

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=56950315&loc=d3e122625-111746 + Details
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