Stock-Based Compensation (Details) (USD $)	1 Months Ended	12 Months Ended			0 Months Ended					12 Months Ended
	Apr. 30, 2014	Mar. 29, 2015	Mar. 30, 2014	Mar. 31, 2013	May 11, 2015	May 03, 2012	May 14, 2013	May 08, 2014	Jul. 21, 2011	Apr. 01, 2007	Mar. 26, 2000
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum calculated estimated forfeiture rate (in hundredths)		2.00%
Performance Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Income tax benefit from share-based compensation		$ 441,300	$ 797,300	$ 979,800
Unrecognized compensation costs		300,000
Unrecognized compensation costs, period for recognition		1 year 7 months 6 days
Total fair value of shares vested during period		4,364,500	4,531,700	6,304,300
Annual vesting percentage (in hundredths)		25.00%
Nonvested PSU shares, Outstanding [Roll Forward]
Outstanding, non-vested beginning of period (in shares)		317,127	455,979	604,844
Granted (in shares)		91,000	112,000	156,200
Vested (in shares)		(125,347)	(199,066)	(288,765)
Forfeited/cancelled (in shares)	(49,979)	(78,939)	(51,786)	(16,300)
Outstanding, non-vested end of period (in shares)		203,841	317,127	455,979
Nonvested PSU shares, Weighted-Average Grant Date Fair Value [Roll Forward]
Outstanding, non-vested beginning of period (in dollars per share)		$ 15.96	$ 12.77	$ 9.81
Granted (in dollars per share)		$ 29.28	$ 19.91	$ 19.31
Vested (in dollars per share)		$ 14.44	$ 10.22	$ 8.64
Forfeited/cancelled (in dollars per share)		$ 21.61	$ 18.47	$ 17.69
Outstanding, non-vested end of period (in dollars per share)		$ 20.65	$ 15.96	$ 12.77
Nonvested PSU shares, Expected to Vest - Fiscal Year Maturity [Abstract]
2015 (in shares)		87,107
2016 (in shares)		31,468
2017 (in shares)		10,766
Total shares earned but not yet vested (in shares)		129,341
Share released and vested (in shares)		125,347	199,066	288,765
Performance Stock Units [Member] | Subsequent Event [Member]
Nonvested PSU shares, Outstanding [Roll Forward]
Forfeited/cancelled (in shares)					(74,500)
Restricted Stock [Member] | Non-Employee Director [Member] | Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock granted (in shares)					10,000
Restricted Stock [Member] | Non-Employee Director [Member] | Award Date May 3, 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs		100,000
Unrecognized compensation costs, period for recognition		1 year
Annual vesting percentage (in hundredths)						25.00%
Nonvested PSU shares, Expected to Vest - Fiscal Year Maturity [Abstract]
Shares of common stock granted (in shares)						20,100
Restricted Stock [Member] | Non-Employee Director [Member] | Award Date May 14, 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs		100,000
Unrecognized compensation costs, period for recognition		2 years
Annual vesting percentage (in hundredths)							25.00%
Nonvested PSU shares, Expected to Vest - Fiscal Year Maturity [Abstract]
Shares of common stock granted (in shares)							15,000
Number of individuals not receiving RSU awards							1
Restricted Stock [Member] | Non-Employee Director [Member] | Award Date May 8, 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs		200,000
Unrecognized compensation costs, period for recognition		3 years
Annual vesting percentage (in hundredths)								25.00%
Nonvested PSU shares, Expected to Vest - Fiscal Year Maturity [Abstract]
Shares of common stock granted (in shares)								10,000
Restricted Stock [Member] | Non-Employee Director [Member] | Award Date May 11, 2015 [Member] | Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage (in hundredths)					25.00%
Nonvested PSU shares, Expected to Vest - Fiscal Year Maturity [Abstract]
Shares of common stock granted (in shares)					10,000
Second Amended and Restated 1994 Stock and Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of additional shares authorized (in shares)									690,000
Number of shares available for grant before amendment (in shares)									2,638,125
Number of shares available for grant (in shares)		439,028							3,553,125
Second Amended and Restated 1994 Stock and Incentive Plan [Member] | Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)					400,528
Second Amended and Restated 1994 Stock and Incentive Plan [Member] | Performance Stock Units [Member]
Nonvested PSU shares, Outstanding [Roll Forward]
Forfeited/cancelled (in shares)		(28,960)
Second Amended and Restated 1994 Stock and Incentive Plan [Member] | Performance Stock Units [Member] | Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock granted (in shares)					103,000
Measurement period					1 year
Second Amended and Restated 1994 Stock and Incentive Plan [Member] | Restricted Stock [Member] | Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs		200,000
Unrecognized compensation costs, period for recognition		1 year
Nonvested PSU shares, Outstanding [Roll Forward]
Vested (in shares)		(22,500)	(22,500)
Outstanding, non-vested end of period (in shares)		22,500
Nonvested PSU shares, Expected to Vest - Fiscal Year Maturity [Abstract]
Shares of common stock granted (in shares)										225,000
Vesting period										10 years
Weighted-average grant date fair value (in dollars per share)										$ 10.56
Share released and vested (in shares)		22,500	22,500
Team Member Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash stock-based compensation		67,300	68,400	59,400
Number of shares authorized (in shares)											450,000
Purchase price of common stock (in hundredths)											85.00%
Nonvested PSU shares, Expected to Vest - Fiscal Year Maturity [Abstract]
Shares sold to employees (in shares)		8,547	9,604	11,009
Weighted-average market value (in dollars per share)		$ 22.93	$ 22.21	$ 15.80
Selling, General and Administrative Expenses [Member] | Performance Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash stock-based compensation		$ 1,161,300	$ 2,087,100	$ 2,536,800