Stockholders' Equity - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Nov. 30, 2011	Mar. 31, 2013	Apr. 01, 2012	Apr. 03, 2011
Stockholders Equity [Line Items]
Preferred stock, par value		$ 0.001	$ 0.001
Preferred stock, shares authorized		1,000,000	1,000,000
Common stock, par value		$ 0.001	$ 0.001
Common stock, shares authorized		500,000,000	500,000,000
Common stock, shares issued		212,145,000	210,688,000
Common stock shares reserved for stock-based awards		29,900,000
Common stock shares reserved for Employee Stock Purchase Plan		400,000
Maximum value of outstanding common stock for repurchase		$ 1,950,000,000
Maximum approved value of outstanding common stock for repurchase	200,000,000
Maximum period to repurchase common stock outstanding under repurchase program			2 years
Purchase of Common Stock		10,300,000	8,600,000
Aggregate purchase price paid for common stock		130,380,000	128,367,000	186,369,000
Purchase of Common Stock under repurchase program, shares		122,185,000	111,911,000
Treasury stock, at cost		$ 1,890,716,000	$ 1,760,336,000