Summary of Quarterly Results (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
Quarterly Financial Information [Line Items]
Total revenue	$ 1,080,984	$ 1,314,726	$ 1,056,605	$ 919,154	$ 917,452	$ 1,012,229	$ 740,303	$ 640,859	$ 4,371,469	$ 3,310,843	$ 2,181,732
Gross profit	630,848	800,143	645,027	571,633	549,426	619,498	449,875	397,271	2,647,651	2,016,070	1,306,566
Income from operations	256,167	418,477	305,558	276,771	245,909	343,240	221,460	197,562	1,256,973	1,008,171	630,014
Net income	$ 182,642	$ 303,675	$ 206,990	$ 187,716	$ 161,038	$ 229,643	$ 145,808	$ 124,996	$ 881,023	$ 661,485	$ 397,602
Weighted average ordinary shares outstanding:
Basic	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
Diluted	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