Earnings Per Ordinary Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income attributable to shareholders	$ 21,053	$ 21,656	$ 61,399	$ 69,714
Weighted-average number of ordinary shares outstanding (thousands of shares)	37,275	37,116	37,400	36,792
Incremental shares arising from the assumed exercise of share options and vesting of restricted share units (thousands of shares)	780	756	725	958
Weighted-average number of ordinary shares for diluted earnings per ordinary share (thousands of shares)	38,055	37,872	38,125	37,750
Basic earnings per ordinary share	$ 0.56	$ 0.58	$ 1.64	$ 1.89
Diluted earnings per ordinary share	$ 0.55	$ 0.57	$ 1.61	$ 1.85