Consumer Loans Receivable (Consumer Loan Receivables by Segment and Credit Quality Indicator) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 27, 2014	Mar. 29, 2014
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 101,157	$ 98,625
Loans and Leases Receivable, Geographic Territories of Business	0
Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	63,044
Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,559
Chattel Loans Range One [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	0
Chattel Loans Range One [Member] | Maximum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	619
Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	29,273
Chattel Loans Range Two [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	620
Chattel Loans Range Two [Member] | Maximum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	719
Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	31,212
Chattel Loans Range Three [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	720
Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	16,618
Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	499
Conforming Mortgages Range One [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	0
Conforming Mortgages Range One [Member] | Maximum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	619
Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	13,293
Conforming Mortgages Range Two [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	620
Conforming Mortgages Range Two [Member] | Maximum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	719
Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,826
Conforming Mortgages Range Three [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	720
Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	21,480
Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,750
Non Conforming Mortgages Range One [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	0
Non Conforming Mortgages Range One [Member] | Maximum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	619
Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	11,743
Non Conforming Mortgages Range Two [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	620
Non Conforming Mortgages Range Two [Member] | Maximum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	719
Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	6,987
Non Conforming Mortgages Range Three [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator	720
Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	15
Loans Securitized 2005 [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	38,316
Loans Securitized 2005 [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	34,806
Loans Securitized 2005 [Member] | Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,079
Loans Securitized 2005 [Member] | Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	15,909
Loans Securitized 2005 [Member] | Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	17,818
Loans Securitized 2005 [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Securitized 2005 [Member] | Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Securitized 2005 [Member] | Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Securitized 2005 [Member] | Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Securitized 2005 [Member] | Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	3,510
Loans Securitized 2005 [Member] | Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	92
Loans Securitized 2005 [Member] | Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,539
Loans Securitized 2005 [Member] | Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,879
Loans Securitized 2005 [Member] | Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Securitized 2007 [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	34,082
Loans Securitized 2007 [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	23,216
Loans Securitized 2007 [Member] | Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	616
Loans Securitized 2007 [Member] | Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	10,858
Loans Securitized 2007 [Member] | Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	11,742
Loans Securitized 2007 [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Securitized 2007 [Member] | Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Securitized 2007 [Member] | Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Securitized 2007 [Member] | Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Securitized 2007 [Member] | Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	10,866
Loans Securitized 2007 [Member] | Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	726
Loans Securitized 2007 [Member] | Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	6,162
Loans Securitized 2007 [Member] | Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	3,978
Loans Securitized 2007 [Member] | Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Loans Unsecuritized [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	14,625
Loans Unsecuritized [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	5,022
Loans Unsecuritized [Member] | Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	864
Loans Unsecuritized [Member] | Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,506
Loans Unsecuritized [Member] | Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,652
Loans Unsecuritized [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,484
Loans Unsecuritized [Member] | Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	270
Loans Unsecuritized [Member] | Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,204
Loans Unsecuritized [Member] | Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	10
Loans Unsecuritized [Member] | Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	7,104
Loans Unsecuritized [Member] | Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,932
Loans Unsecuritized [Member] | Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	4,042
Loans Unsecuritized [Member] | Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,130
Loans Unsecuritized [Member] | Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	15
Construction Advances [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	3,476
Construction Advances [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Construction Advances [Member] | Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Construction Advances [Member] | Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Construction Advances [Member] | Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Construction Advances [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	3,476
Construction Advances [Member] | Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	139
Construction Advances [Member] | Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,484
Construction Advances [Member] | Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	853
Construction Advances [Member] | Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Construction Advances [Member] | Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Construction Advances [Member] | Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Construction Advances [Member] | Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Construction Advances [Member] | Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Consumer Loans Held For Sale [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	10,658
Consumer Loans Held For Sale [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Consumer Loans Held For Sale [Member] | Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Consumer Loans Held For Sale [Member] | Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Consumer Loans Held For Sale [Member] | Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Consumer Loans Held For Sale [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	10,658
Consumer Loans Held For Sale [Member] | Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	90
Consumer Loans Held For Sale [Member] | Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	8,605
Consumer Loans Held For Sale [Member] | Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,963
Consumer Loans Held For Sale [Member] | Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Consumer Loans Held For Sale [Member] | Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Consumer Loans Held For Sale [Member] | Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Consumer Loans Held For Sale [Member] | Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0
Consumer Loans Held For Sale [Member] | Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 0