Consolidated Statements of Shareholders' Equity and Comprehensive Income (Loss) Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Shares outstanding, beginning balance at Mar. 31, 2013		10,495,427
Stockholders' equity, beginning balance at Mar. 31, 2013	$ 170,172	$ 525	$ 48,779	$ 120,974	$ (106)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared	(7,641)			(7,641)
Share-based compensation expense	1,322		1,322
Vesting of restricted stock (shares)		41,906
Vesting of restricted stock	0	$ 2	(2)
Shares surrendered for payroll taxes (shares)		(12,480)
Shares surrendered for payroll taxes	(485)	$ (1)	(484)
Tax benefit on share-based compensation plans	(214)		(214)
Stock Options Exercised (shares)		9,333
Stock options exercised	186	$ 1	185
ESPP Shares Issued (shares)		28,214
ESPP shares issued	917	$ 1	916
Total other comprehensive income	62				62
Other comprehensive income, net of tax	0
Net income	18,094			18,094
Shares outstanding, ending balance at Mar. 30, 2014		10,562,400
Stockholders' equity, ending balance at Mar. 30, 2014	182,413	$ 528	50,502	131,427	(44)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared	(8,074)			(8,074)
Share-based compensation expense	1,631		1,631
Vesting of restricted stock (shares)		29,355
Vesting of restricted stock	0	$ 1	(1)
Shares surrendered for payroll taxes (shares)		(7,920)
Shares surrendered for payroll taxes	(295)		(295)
Tax benefit on share-based compensation plans	92		92
Stock Options Exercised (shares)		9,333
Stock options exercised	186		186
ESPP Shares Issued (shares)		31,383
ESPP shares issued	988	$ 2	986
Total other comprehensive income	12				12
Shares Repurchased (Shares)		(59,602)
Other comprehensive income, net of tax	(2,203)	$ (3)	(2,200)
Net income	19,214			19,214
Shares outstanding, ending balance at Mar. 29, 2015		10,564,949
Stockholders' equity, ending balance at Mar. 29, 2015	193,964	$ 528	50,901	142,567	(32)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared	(8,445)			(8,445)
Share-based compensation expense	1,706		1,706
Vesting of restricted stock (shares)		60,658
Vesting of restricted stock	0	$ 3	(3)
Shares surrendered for payroll taxes (shares)		(18,834)
Shares surrendered for payroll taxes	(699)	$ (1)	(698)
Tax benefit on share-based compensation plans	(1)		(1)
ESPP Shares Issued (shares)		33,550
ESPP shares issued	1,081	$ 2	1,079
Total other comprehensive income	27				27
Shares Repurchased (Shares)		(127,852)
Other comprehensive income, net of tax	(4,801)	$ (6)	(4,795)
Net income	18,143			18,143
Shares outstanding, ending balance at Apr. 03, 2016		10,512,471
Stockholders' equity, ending balance at Apr. 03, 2016	$ 200,975	$ 526	$ 48,189	$ 152,265	$ (5)