Stock-Based Compensation (Stock Option Activity) (Details) - Stock Options - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Stock Option Activity, Number of Shares [Roll Forward]
Beginning balance, shares outstanding	411,111	418,205	464,930
Granted	74,750	73,750	42,000
Exercised	(120,687)	(74,144)	(87,925)
Canceled or forfeited	(1,000)	(6,700)	(800)
Ending balance, shares outstanding	364,174	411,111	418,205
Shares exercisable	179,133	197,663	203,721
Stock Option Activity, Weighted Average Exercise Price [Roll Forward]
Beginning balance, weighted average exercise price	$ 102.71	$ 79.73	$ 68.01
Granted	145.24	194.08	131.93
Exercised	63.66	53.78	42.54
Canceled or forfeited	99.65	150.34	99.65
Ending balance, weighted average exercise price	123.93	102.71	79.73
Exercisable, weighted average exercise price	$ 100.82	$ 71.28	$ 61.38
Options outstanding, weighted average remaining contractual term	4 years 7 days	3 years 8 months 26 days	3 years 9 months 10 days
Options exercisable, weighted average remaining contractual term	2 years 9 months 29 days	2 years 4 months 6 days	2 years 5 months 26 days
Options outstanding, aggregate intrinsic value	$ 49,000	$ 61,025	$ 60,439
Options exercisable, aggregate intrinsic value	$ 25,423	$ 31,296	$ 30,631
Weighted-average estimated fair value of employee stock options granted	$ 46.84	$ 64.55	$ 42.30
Total intrinsic value of options exercised	$ 15,700	$ 12,300	$ 7,700