Stock-Based Compensation (Stock Option Activity) (Details) (USD $)	12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 31, 2011
Stock Option Activity, Number of Shares [Roll Forward]
Canceled or forfeited		(1,250)
Stock Option Activity, Weighted Average Exercise Price [Roll Forward]
Canceled or forfeited		$ 24.18
Stock Options [Member]
Stock Option Activity, Number of Shares [Roll Forward]
Beginning balance, shares outstanding	407,500	401,500	681,580
Granted	72,200	80,100	65,500
Exercised	(77,000)	(72,850)	(345,580)
Canceled or forfeited	(3,000)
Ending balance, shares outstanding	399,700	407,500	401,500
Shares exercisable	179,925	168,775	192,750
Stock Option Activity, Weighted Average Exercise Price [Roll Forward]
Beginning balance, weighted average exercise price	$ 32.62	$ 27.95	$ 18.88
Granted	$ 46.59	$ 44.45	$ 35.80
Exercised	$ 28.55	$ 20.08	$ 11.55
Canceled or forfeited	$ 45.00
Ending balance, weighted average exercise price	$ 35.83	$ 32.62	$ 27.95
Exercisable, weighted average exercise price	$ 34.15	$ 31.57	$ 26.81
Options outstanding, weighted average remaining contractual term	4 years 2 months 5 days	3 years 10 months 28 days	3 years 7 months 2 days
Options exercisable, weighted average remaining contractual term	3 years 6 months 29 days	2 years 4 months 13 days	1 year 7 months 2 days
Options outstanding, aggregate intrinsic value	$ 4,691,000	$ 5,689,000	$ 6,910,000
Options exercisable, aggregate intrinsic value	2,414,000	2,533,000	3,537,000
Weighted-average estimated fair value of employee stock options granted	$ 19.89	$ 17.96	$ 13.99
Total intrinsic value of options exercised	$ 1,200,000	$ 1,300,000	$ 8,300,000