Earnings Per Share (Basic And Diluted Weighted-Average Ordinary Shares Outstanding Used To Calculate Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Share data	3 Months Ended				6 Months Ended
	Sep. 30, 2011		Oct. 01, 2010		Sep. 30, 2011		Oct. 01, 2010
Earnings Per Share [Abstract]
Net income	$ 129,880		$ 144,416		$ 261,855		$ 262,594
Weighted-average ordinary shares outstanding	722,208,000		776,362,000		734,485,000		793,499,000
Basic earnings per share	$ 0.18		$ 0.19		$ 0.36		$ 0.33
Weighted-average ordinary share equivalents from stock options and awards	8,841,000	[1]	7,909,000	[1]	10,951,000	[1]	10,645,000	[1]
Weighted-average ordinary shares and ordinary share equivalents outstanding	731,049,000		784,271,000		745,436,000		804,144,000
Diluted earnings per share	$ 0.18		$ 0.18		$ 0.35		$ 0.33
Antidilutive securities excluded from computation of earnings per share stock options amount	27,400,000		28,400,000		26,800,000		27,000,000

[1] Ordinary share equivalents from stock options to purchase approximately 27.4 million shares and 28.4 million shares outstanding during the three-month periods ended September 30, 2011 and October 1, 2010, were excluded from the computation of diluted earnings per share primarily because the exercise price of these options was greater than the average market price of the Company's ordinary shares during the respective periods. Ordinary share equivalents from stock options to purchase approximately 26.8 million shares and 27.0 million shares outstanding during the six-month periods ended September 30, 2011 and October 1, 2010, were excluded from the computation of diluted earnings per share primarily because the exercise price of these options was greater than the average market price of the Company's ordinary shares during the respective periods.