Earnings Per Ordinary Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Dec. 25, 2015	Dec. 26, 2014	Dec. 25, 2015	Dec. 26, 2014
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income attributable to shareholders		$ 19,803	$ 8,726	$ 21,406	$ 19,762
Weighted-average number of ordinary shares outstanding (thousands of shares)		35,812	35,349	35,695	35,289
Incremental shares arising from the assumed exercise of share options and vesting of restricted share units (thousands of shares)		1,014	568	875	463
Weighted-average number of ordinary shares for diluted earnings per ordinary share (thousands of shares)		36,826	35,917	36,570	35,752
Basic earnings per ordinary share		$ 0.55	$ 0.25	$ 0.60	$ 0.56
Diluted earnings per ordinary share		$ 0.54	$ 0.24	$ 0.59	$ 0.55
Outstanding share options excluded in the computation of diluted earnings per ordinary share	[1]	31,244	71,580	31,244	71,580

[1] These share options were not included in the computation of diluted earnings per ordinary share because the exercise price of the options was greater than the average market price of the underlying shares.