Stock-Based Compensation - Stock Options (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended	12 Months Ended
	Dec. 30, 2018	Apr. 01, 2018	Mar. 26, 2017	Mar. 27, 2016
Shares
Unvested options, beginning of period	392,500
Options Granted (in shares)	66,500
Options Vested (in shares)	(127,292)
Options Forfeited/Cancelled (in shares)	(15,000)
Unvested options, end of period	316,708	392,500
Weighted Average Fair Value at Grant
Unvested shares available for issue under outstanding options, beginning of period	$ 2.21
Options Granted	3.38
Options Vested	2.20
Options Forfeited/Cancelled	4.57
Unvested shares available for issue under outstanding options, end of period	$ 2.35	$ 2.21
Additional Disclosures
Options Outstanding (in shares)	591,500
Options Exercisable (in shares)	274,792
Valuation assumptions
Resulting Black Scholes Value (in dollars per share)	$ 3.38
Grant Fiscal Year 2019
Shares
Options Granted (in shares)	66,500
Weighted Average Fair Value at Grant
Options Granted	$ 3.38
Additional Disclosures
Option Exercise Price (in dollars per share)	$ 16.31
Options Outstanding (in shares)	61,500
Valuation assumptions
Expected Stock Price Volatility (as a percent)	35.59%
Risk-Free Interest rate (as a percent)	3.11%
Expected Dividend Yield (as a percent)	4.99%
Average Expected Term	4 years
Resulting Black Scholes Value (in dollars per share)	$ 3.38
Grant Fiscal Year 2018
Shares
Options Granted (in shares)		230,000
Weighted Average Fair Value at Grant
Options Granted		$ 2.57
Additional Disclosures
Option Exercise Price (in dollars per share)		$ 15.12
Options Outstanding (in shares)	160,000
Options Exercisable (in shares)	59,167
Valuation assumptions
Expected Stock Price Volatility (as a percent)		32.63%
Risk-Free Interest rate (as a percent)		1.96%
Expected Dividend Yield (as a percent)		5.34%
Average Expected Term		4 years
Resulting Black Scholes Value (in dollars per share)		$ 2.57
Grant Fiscal Year 2017
Shares
Options Granted (in shares)			410,000
Weighted Average Fair Value at Grant
Options Granted			$ 1.85
Additional Disclosures
Option Exercise Price (in dollars per share)			$ 12.57
Options Outstanding (in shares)	330,000
Options Exercisable (in shares)	181,458
Valuation assumptions
Expected Stock Price Volatility (as a percent)			32.85%
Risk-Free Interest rate (as a percent)			1.32%
Expected Dividend Yield (as a percent)			6.30%
Average Expected Term			4 years
Resulting Black Scholes Value (in dollars per share)			$ 1.85
Grant Fiscal Year 2016
Shares
Options Granted (in shares)				100,000
Weighted Average Fair Value at Grant
Options Granted				$ 3.43
Additional Disclosures
Option Exercise Price (in dollars per share)				$ 22.42
Options Outstanding (in shares)	40,000
Options Exercisable (in shares)	34,167
Valuation assumptions
Expected Stock Price Volatility (as a percent)				26.40%
Risk-Free Interest rate (as a percent)				1.67%
Expected Dividend Yield (as a percent)				3.50%
Average Expected Term				4 years
Resulting Black Scholes Value (in dollars per share)				$ 3.43
Stock Options
Stock Options:
Unrecognized compensation costs (in dollars)	$ 0.8
Unrecognized compensation costs, period for recognition	3 years
First year vesting | Stock Options | Grant Fiscal Year 2019
Stock Options:
Vesting percentage	25.00%
Vesting period	1 year
Monthly vesting over 36 months | Stock Options | Grant Fiscal Year 2019
Stock Options:
Monthly percentage of vesting of share based compensation	2.78%
Additional vesting period after the initial period	3 years