Common Stock and Stock Plans - Summary of Employee Stock Option Activity (Detail) (Employee Stock Options [Member], USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Apr. 03, 2015
Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding, Beginning Balance	2,200,443
Number of Shares, Options granted	351,500
Number of Shares, Options canceled	0
Number of Shares, Options exercised	(724,800)
Number of Shares, Outstanding, Ending Balance	1,827,143
Number of Shares, Vested and exercisable, Ending Balance	1,024,982
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance	$ 35.68
Weighted Average Exercise Price per Share, Options granted	$ 65.15
Weighted Average Exercise Price per Share, Options canceled	$ 0
Weighted Average Exercise Price per Share, Options exercised	$ 21.71
Weighted Average Exercise Price per Share, Outstanding, Ending Balance	$ 46.90
Weighted Average Exercise Price per Share, Vested and exercisable, Ending Balance	$ 39.18
Weighted Average Remaining Contractual Term in Years, Outstanding	3 years 2 months 23 days
Weighted Average Remaining Contractual Term in Years, Vested and exercisable	2 years 1 month 2 days
Aggregate Intrinsic Value, Outstanding	$ 26,349
Aggregate Intrinsic Value, Vested and exercisable	$ 21,602