Diluted Loss or Earnings Per Ordinary Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 29, 2012	Mar. 30, 2012	Dec. 30, 2011	Sep. 30, 2011	Jun. 24, 2011	Mar. 25, 2011	Dec. 24, 2010	Sep. 24, 2010	Jun. 29, 2012	Jun. 24, 2011	Jun. 25, 2010
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net (loss) income used to determine diluted (loss) earnings per ordinary share									$ (56,467)	$ 64,329	$ 44,323
Weighted average number of ordinary shares outstanding (thousands of shares)	34,469	34,440	34,396	34,223	34,189	33,969	33,768	33,761	34,382	33,922	30,854
Adjustment for incremental shares arising from assumed exercise of share options (thousands of shares)										485	515
Weighted average number of ordinary shares for diluted (loss) earnings per ordinary share (thousands of shares)	34,624	34,440	34,544	34,502	34,595	34,232	34,450	34,351	34,382	34,407	31,369
Diluted (loss) earnings per ordinary share	$ 0.22	$ (1.35)	$ (0.96)	$ 0.45	$ 0.48	$ 0.49	$ 0.46	$ 0.44	$ (1.64)	$ 1.87	$ 1.41