Stock-Based Compensation (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	Apr. 01, 2012	Apr. 01, 2012 Y	Apr. 03, 2011	Mar. 28, 2010	Mar. 29, 2009
Stock-Based Compensation (Textual) [Abstract]
Term of stock option granted		10 years
Tax benefits, stock-based compensation expense		$ 7,700,000	$ 7,100,000	$ 5,300,000
Grant date fair value of options vested		16,500,000	18,500,000	20,000,000
Stock options to purchase of shares	19,011,000	19,011,000	21,856,000	24,256,000	25,940,000
Stock-Based Compensation (Additional Textual) [Abstract]
Discount rate on purchase of common stock under ESPP		15.00%
Offering period in months for employees of the company to participate in the employee stock purchase plan	3 months
Number of shares issued under the ESPP		556,000	449,000	560,000
Common Stock issued under stock-based performance plan, shares			28,000	112,000
Common Stock issued under stock-based performance plan, Value			574,000	1,338,000
Shares available for future grant under the 2005 Plan	10,600,000	10,600,000
Unrecognized compensation costs related to outstanding stock-based awards	51,700,000	51,700,000
Expected weighted average period of recognition		2.3
Intrinsic value of options exercised		3,800,000	8,400,000	6,800,000
Maximum [Member]
Stock-Based Compensation (Textual) [Abstract]
Contributions of compensation to purchase shares of common stock	10.00%	10.00%
Minimum [Member]
Stock-Based Compensation (Textual) [Abstract]
Contributions of compensation to purchase shares of common stock	1.00%	1.00%
Stock Options [Member]
Stock-Based Compensation (Textual) [Abstract]
Term of stock option granted		10 years
Vesting period of stock option		4 years
Stock Options [Member] | Employee and Non-employee Director [Member]
Stock-Based Compensation (Textual) [Abstract]
Stock options to purchase of shares	19,000,000	19,000,000
Restricted Stock Units (RSUs) [Member]
Stock-Based Compensation (Textual) [Abstract]
Vesting period of restricted stock unit		4 years
Common stock issued with the vesting of restricted stock unit		546,000	581,000	334,000
Restricted stock units granted to employees that joined the company in connection with an acquisition				464,000
Share based compensation related to acquisition, value		1,300,000	2,400,000	1,600,000
Grant date fair value of options vested		$ 14,400,000	$ 17,100,000	$ 7,700,000
Options to purchase of shares	2,686,000	2,686,000	2,271,000	2,514,000	1,693,000
Restricted Stock Units (RSUs) [Member] | Employee and Non-employee Director [Member]
Stock-Based Compensation (Textual) [Abstract]
Options to purchase of shares	2,700,000	2,700,000
Restricted Stock Units with Performance Conditions [Member]
Stock-Based Compensation (Textual) [Abstract]
Vesting period of restricted stock unit		4 Years
Restricted stock unit with performance conditions granted to senior executives		200,000
Non-Employee Director [Member]
Stock-Based Compensation (Textual) [Abstract]
Percentage of the target fair value in the initial grant allocated to non-qualified stock options		100.00%
Percentage of the target fair value in the annual grant allocated to non-qualified stock options		65.00%
Percentage of the target fair value in the annual grant allocated to restricted stock units		35.00%
Minimum vesting period of stock options and restricted stock units granted to non-employee directors		1 year
Maximum vesting period of stock options and restricted stock units granted to non-employee directors		3 years