Fair Value Measurements (Book Value and Estimated Fair Value) (Details) - USD ($) $ in Thousands		Jun. 29, 2019	Mar. 30, 2019
Book Value
Financial Instruments
Non-marketable equity investments	[1]	$ 20,552	$ 20,276
Consumer loans receivable	[2]	85,981	86,785
Interest rate lock commitment derivatives	[3]	11	11
Forward Commitments Fair Value Disclosure	[3]	(25)	(59)
Commercial loans receivable	[4]	46,658	43,006
Securitized financings and other	[5]	34,342	34,140
Book Value | Available-for-sale debt securities
Financial Instruments
Investments	[6]	13,094	13,408
Book Value | Marketable equity securities
Financial Instruments
Investments	[6]	12,117	11,073
Estimated Fair Value
Financial Instruments
Non-marketable equity investments	[1]	20,552	20,276
Consumer loans receivable	[2]	100,955	101,001
Interest rate lock commitment derivatives	[3]	11	11
Forward Commitments Fair Value Disclosure	[3]	(25)	(59)
Commercial loans receivable	[4]	47,253	43,582
Securitized financings and other	[5]	38,354	38,101
Estimated Fair Value | Available-for-sale debt securities
Financial Instruments
Investments	[6]	13,094	13,408
Estimated Fair Value | Marketable equity securities
Financial Instruments
Investments	[6]	$ 12,117	$ 11,073

[1] The fair value approximates book value based on the non-marketable nature of the investments.

[2] Includes consumer loans receivable held for investment, held for sale and construction advances. The fair value of the loans held for investment is based on the discounted value of the remaining principal and interest cash flows. The fair value of the loans held for sale is estimated based on recent GSE mortgage-backed bond prices. The fair value of the construction advances approximates book value and the sales price of these loans.

[3] The fair values are based on changes in GSE mortgage-backed bond prices and, additionally for IRLCs, pull through rates.

[4] The fair value is estimated using market interest rates of comparable loans.

[5] The fair value is estimated using recent public transactions of similar asset-backed securities.

[6] For Level 1 classified securities, the fair value is based on quoted market prices. The fair value of Level 2 securities is based on other inputs, as further described below.