Stock-Based Compensation (Stock Option Activity) (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Stock Option Activity, Number of Shares [Roll Forward]
Beginning balance, shares outstanding	464,930	491,980	506,980
Granted	42,000	116,850	90,500
Exercised	(87,925)	(121,275)	(104,500)
Canceled or forfeited	(800)	(22,625)	(1,000)
Ending balance, shares outstanding	418,205	464,930	491,980
Shares exercisable	203,721	244,025	320,975
Stock Option Activity, Weighted Average Exercise Price [Roll Forward]
Beginning balance, weighted average exercise price	$ 68.01	$ 51.91	$ 44.42
Granted	131.93	98.93	75.27
Exercised	42.54	30.02	33.46
Canceled or forfeited	99.65	80.21	75.90
Ending balance, weighted average exercise price	79.73	68.01	51.91
Exercisable, weighted average exercise price	$ 61.38	$ 50.77	$ 41.01
Options outstanding, weighted average remaining contractual term	3 years 9 months 10 days	3 years 9 months 28 days	3 years 3 months 11 days
Options exercisable, weighted average remaining contractual term	2 years 5 months 26 days	2 years 3 months 15 days	2 years 1 month 1 day
Options outstanding, aggregate intrinsic value	$ 60,439	$ 42,194	$ 35,906
Options exercisable, aggregate intrinsic value	$ 30,631	$ 23,626	$ 24,786
Weighted-average estimated fair value of employee stock options granted	$ 42.30	$ 35.55	$ 27.83
Total intrinsic value of options exercised	$ 7,700	$ 7,800	$ 4,900