Earnings per ordinary share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Dec. 29, 2023	Dec. 30, 2022
Earnings Per Share [Abstract]
Net income attributable to shareholders	$ 69,110	$ 63,157	$ 134,199	$ 127,772
Weighted-average number of ordinary shares outstanding (in shares)	36,328	36,589	36,292	36,558
Incremental shares arising from the assumed vesting of restricted share units and performance share units (in shares)	311	350	268	290
Weighted-average number of ordinary shares for diluted earnings per ordinary share (in shares)	36,639	36,939	36,560	36,848
Basic earnings per ordinary share (in USD per share)	$ 1.90	$ 1.73	$ 3.70	$ 3.50
Diluted earnings per ordinary share (in USD per share)	$ 1.89	$ 1.71	$ 3.67	$ 3.47