Components of Calculation of Basic Net Income Per Ordinary Share and Diluted Net Income Per Ordinary Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Numerator:
Net income	$ 182,642	$ 303,675	$ 206,990	$ 187,716	$ 161,038	$ 229,643	$ 145,808	$ 124,996	$ 881,023	$ 661,485	$ 397,602
Denominator:
Basic weighted average shares	199,828,293	202,668,541	204,464,952	203,749,572	203,387,343	203,175,380	202,560,870	201,208,189	202,680,572	202,582,945	196,615,054
Weighted average dilutive share equivalents:
Share options and restricted shares/units									3,185,197	3,055,162	4,925,090
Diluted weighted average shares	203,195,838	205,647,816	207,432,250	207,176,243	206,973,550	206,088,062	205,154,692	204,336,124	205,865,769	205,638,107	201,540,144
Basic net income per share									$ 4.35	$ 3.27	$ 2.02
Diluted net income per share									$ 4.28	$ 3.22	$ 1.97