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
	Jun. 28, 2014	Jun. 29, 2013
Numerator:
Net income	$ 187,716	$ 124,996
Denominator:
Basic weighted average ordinary shares	203,749,572	201,208,189
Weighted average dilutive share equivalents:
Share options and restricted shares/units	3,426,671	3,127,935
Diluted weighted average ordinary shares	207,176,243	204,336,124
Basic net income per ordinary share	$ 0.92	$ 0.62
Diluted net income per ordinary share	$ 0.91	$ 0.61