Stock-Based Compensation - Stock Options (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Jun. 25, 2017	Mar. 26, 2017	Mar. 27, 2016
Shares
Unvested options, beginning of period	395,000
Options Granted (in shares)	200,000	410,000	100,000
Options Vested (in shares)	(3,750)
Unvested options, end of period	591,250	395,000
Weighted Average Fair Value at Grant
Unvested shares available for issue under outstanding options, beginning of period	$ 1.96
Options Granted	2.38	$ 1.85	$ 3.43
Options Vested	3.55
Unvested shares available for issue under outstanding options, end of period	2.11	1.96
Additional Disclosures
Option Exercise Price (in dollars per share)	$ 14.63	$ 12.57	$ 22.42
Options Outstanding (in shares)	620,000
Options Exercisable (in shares)	28,750
Valuation assumptions
Expected Stock Price Volatility (as a percent)	32.26%	32.85%	26.40%
Risk-Free Interest rate (as a percent)	1.93%	1.32%	1.67%
Expected Dividend Yield (as a percent)	5.47%	6.30%	3.50%
Average Expected Term	4 years	4 years	4 years
Resulting Black Scholes Value (in dollars per share)	$ 2.38	$ 1.85	$ 3.43
Grant Fiscal Year 2018
Additional Disclosures
Options Outstanding (in shares)	200,000
Grant Fiscal Year 2017
Additional Disclosures
Options Outstanding (in shares)	360,000
Grant Fiscal Year 2016
Additional Disclosures
Options Outstanding (in shares)	60,000
Options Exercisable (in shares)	28,750
Stock Options
Stock Options:
Unrecognized compensation costs (in dollars)	$ 1.1
Unrecognized compensation costs, period for recognition	4 years
First year vesting | Stock Options
Stock Options:
Vesting percentage	25.00%
Vesting period	1 year
Monthly vesting over 36 months | Stock Options
Stock Options:
Monthly percentage of vesting of share based compensation	2.78%
Additional vesting period after the initial period	3 years