Consumer Loans Receivable (Consumer Loan Receivables by Segment and Credit Quality Indicator) (Details) $ in Thousands	12 Months Ended
	Apr. 01, 2017 USD ($) Score Credit_Quality_Indicator	Apr. 02, 2016 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit Scores | Score	3
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 97,148	$ 90,402
Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	56,575	54,874
Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 1,509	1,655
Chattel Loans Range One [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | 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 | Credit_Quality_Indicator	619
Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 25,856	26,018
Chattel Loans Range Two [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | 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 | Credit_Quality_Indicator	719
Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 28,726	26,699
Chattel Loans Range Three [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	720
Chattel Loans Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 484	502
Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	23,933	16,932
Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 521	430
Conforming Mortgages Range One [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | 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 | Credit_Quality_Indicator	619
Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 16,576	10,630
Conforming Mortgages Range Two [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | 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 | Credit_Quality_Indicator	719
Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 6,836	5,872
Conforming Mortgages Range Three [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	720
Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 16,628	18,583
Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 1,848	2,065
Non Conforming Mortgages Range One [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | 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 | Credit_Quality_Indicator	619
Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 9,561	10,319
Non Conforming Mortgages Range Two [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | 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 | Credit_Quality_Indicator	719
Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 4,920	5,892
Non Conforming Mortgages Range Three [Member] | Minimum [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	720
Non Conforming Mortgages Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	$ 299	307
Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	12	13
Loans Securitized 2005 [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	28,040	31,858
Loans Securitized 2005 [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	25,185	28,721
Loans Securitized 2005 [Member] | Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	705	776
Loans Securitized 2005 [Member] | Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	11,681	13,139
Loans Securitized 2005 [Member] | Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	12,748	14,751
Loans Securitized 2005 [Member] | Chattel Loans Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	51	55
Loans Securitized 2005 [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	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	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	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	0
Loans Securitized 2005 [Member] | Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,855	3,137
Loans Securitized 2005 [Member] | Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	86	88
Loans Securitized 2005 [Member] | Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,242	1,365
Loans Securitized 2005 [Member] | Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,527	1,684
Loans Securitized 2005 [Member] | Non Conforming Mortgages Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Loans Securitized 2005 [Member] | Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Loans Securitized 2007 [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	24,574	28,309
Loans Securitized 2007 [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	16,283	19,052
Loans Securitized 2007 [Member] | Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	411	543
Loans Securitized 2007 [Member] | Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	8,072	9,100
Loans Securitized 2007 [Member] | Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	7,800	9,409
Loans Securitized 2007 [Member] | Chattel Loans Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Loans Securitized 2007 [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	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	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	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	0
Loans Securitized 2007 [Member] | Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	8,291	9,257
Loans Securitized 2007 [Member] | Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	435	585
Loans Securitized 2007 [Member] | Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	4,947	5,290
Loans Securitized 2007 [Member] | Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,909	3,382
Loans Securitized 2007 [Member] | Non Conforming Mortgages Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Loans Securitized 2007 [Member] | Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Loans Unsecuritized [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	19,007	14,904
Loans Unsecuritized [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	11,313	6,790
Loans Unsecuritized [Member] | Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	393	336
Loans Unsecuritized [Member] | Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	5,406	3,683
Loans Unsecuritized [Member] | Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	5,081	2,324
Loans Unsecuritized [Member] | Chattel Loans Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	433	447
Loans Unsecuritized [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,200	1,912
Loans Unsecuritized [Member] | Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	161	164
Loans Unsecuritized [Member] | Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,792	1,428
Loans Unsecuritized [Member] | Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	247	320
Loans Unsecuritized [Member] | Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	5,482	6,189
Loans Unsecuritized [Member] | Non Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	1,327	1,392
Loans Unsecuritized [Member] | Non Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	3,372	3,664
Loans Unsecuritized [Member] | Non Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	484	826
Loans Unsecuritized [Member] | Non Conforming Mortgages Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	299	307
Loans Unsecuritized [Member] | Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	12	13
Construction Advances [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	6,957	6,566
Construction Advances [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Construction Advances [Member] | Chattel Loans Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Construction Advances [Member] | Chattel Loans Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Construction Advances [Member] | Chattel Loans Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Construction Advances [Member] | Chattel Loans Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Construction Advances [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	6,957	6,566
Construction Advances [Member] | Conforming Mortgages Range One [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	261	95
Construction Advances [Member] | Conforming Mortgages Range Two [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	4,231	3,355
Construction Advances [Member] | Conforming Mortgages Range Three [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	2,465	3,116
Construction Advances [Member] | Non-conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	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	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	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	0
Construction Advances [Member] | Non Conforming Mortgages Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Construction Advances [Member] | Other Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Consumer Loans Held For Sale [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	18,570	8,765
Consumer Loans Held For Sale [Member] | Chattel Loans [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	3,794	311
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	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	697	96
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	3,097	215
Consumer Loans Held For Sale [Member] | Chattel Loans Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	0
Consumer Loans Held For Sale [Member] | Conforming Mortgages [Member]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	14,776	8,454
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	99	171
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	10,553	5,847
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	4,124	2,436
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	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	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	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	0
Consumer Loans Held For Sale [Member] | Non Conforming Mortgages Range Four [Member] [Domain]
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Consumer loans receivable	0	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	$ 0