Fair Value Measurements (Assets Measured at Fair Value on a Recurring Basis) (Details) (USD $)	12 Months Ended
	Mar. 28, 2015
Summary of Assets Measured at Fair Value on a Recurring Basis
Fair Value, Assets, Level 1, Level 2, or Level 3 Transfers, Amount	$ 0
Total [Member] | Recurring [Member] | Securities issued by the U.S Treasury and Government [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	1,948,000	[1]
Total [Member] | Recurring [Member] | Mortgage-backed securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	4,338,000	[1]
Total [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	7,423,000	[1]
Total [Member] | Recurring [Member] | Corporate Debt Securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	1,058,000	[1]
Total [Member] | Recurring [Member] | Marketable equity securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	5,516,000	[1]
Level 1 [Member]
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity, Fair Value Disclosure	0
Level 1 [Member] | Recurring [Member] | Securities issued by the U.S Treasury and Government [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[1]
Level 1 [Member] | Recurring [Member] | Mortgage-backed securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[1]
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	0	[1]
Level 1 [Member] | Recurring [Member] | Corporate Debt Securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[1]
Level 1 [Member] | Recurring [Member] | Marketable equity securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	5,516,000	[1]
Level 2 [Member]
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity, Fair Value Disclosure	0
Level 2 [Member] | Recurring [Member] | Securities issued by the U.S Treasury and Government [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	1,948,000	[1]
Level 2 [Member] | Recurring [Member] | Mortgage-backed securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	4,338,000	[1]
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	7,423,000	[1]
Level 2 [Member] | Recurring [Member] | Corporate Debt Securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	1,058,000	[1]
Level 2 [Member] | Recurring [Member] | Marketable equity securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[1]
Level 3 [Member]
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity, Fair Value Disclosure	10,636,000
Level 3 [Member] | Recurring [Member] | Securities issued by the U.S Treasury and Government [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[1]
Level 3 [Member] | Recurring [Member] | Mortgage-backed securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[1]
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	0	[1]
Level 3 [Member] | Recurring [Member] | Corporate Debt Securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[1]
Level 3 [Member] | Recurring [Member] | Marketable equity securities [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[1]
Mortgage Servicing Rights [Member] | Total [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	475,000	[2]
Mortgage Servicing Rights [Member] | Level 1 [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[2]
Mortgage Servicing Rights [Member] | Level 2 [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[2]
Mortgage Servicing Rights [Member] | Level 3 [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	475,000	[2]
Forward Commitments [Member] | Total [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	(54,000)	[3]
Forward Commitments [Member] | Level 1 [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[3]
Forward Commitments [Member] | Level 2 [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[3]
Forward Commitments [Member] | Level 3 [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	(54,000)	[3]
Interest Rate Lock Commitments [Member] | Total [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	19,000	[3]
Interest Rate Lock Commitments [Member] | Level 1 [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[3]
Interest Rate Lock Commitments [Member] | Level 2 [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	0	[3]
Interest Rate Lock Commitments [Member] | Level 3 [Member] | Recurring [Member]
Summary of Assets Measured at Fair Value on a Recurring Basis
Assets fair value	$ 19,000	[3]

[1] Unrealized gains or losses on investments are recorded in accumulated other comprehensive income (loss) at each measurement date.

[2] Changes in the fair value of mortgage servicing rights are recognized in current period earnings through net revenue.

[3] Gains or losses on derivatives are recognized in current period earnings through cost of sales.