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	9 Months Ended
Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Numerator:
Net income	$ 303,675us-gaap_NetIncomeLoss	$ 229,643us-gaap_NetIncomeLoss	$ 698,381us-gaap_NetIncomeLoss	$ 500,447us-gaap_NetIncomeLoss
Denominator:
Basic weighted average ordinary shares	202,668,541	203,175,380	203,627,688	202,314,813
Weighted average dilutive share equivalents:
Share options and restricted shares/units	2,979,275	2,912,682	3,124,415	2,878,146
Diluted weighted average ordinary shares	205,647,816	206,088,062	206,752,103	205,192,959
Basic net income per ordinary share	$ 1.50us-gaap_EarningsPerShareBasic	$ 1.13us-gaap_EarningsPerShareBasic	$ 3.43us-gaap_EarningsPerShareBasic	$ 2.47us-gaap_EarningsPerShareBasic
Diluted net income per ordinary share	$ 1.48us-gaap_EarningsPerShareDiluted	$ 1.11us-gaap_EarningsPerShareDiluted	$ 3.38us-gaap_EarningsPerShareDiluted	$ 2.44us-gaap_EarningsPerShareDiluted

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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