Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Ordinary Shares	Additional Paid-In Capital	Treasury Shares	Retained Earnings
Beginning balance at Dec. 31, 2021	$ 500,715	$ 3	$ 417,438	$ (91,578)	$ 174,852
Beginning balance (in shares) at Dec. 31, 2021		28,551,160
Treasury stock, beginning balance (in shares) at Dec. 31, 2021				4,437,439
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ordinary shares issued from exercise of stock options (in shares)		89,045
Ordinary shares issued from exercise of stock options	1,937		1,937
Ordinary shares issued from vesting of restricted share units (in shares)		179,679
Ordinary shares issued from vesting of restricted share units	(2,813)		(2,813)
Ordinary shares issued from employee share purchase plan (in shares)		42,065
Ordinary shares issued from employee share purchase plan	929		929
Share-based compensation expense	13,924		13,924
Net income (loss)	72,804				72,804
Ending balance (in shares) at Dec. 30, 2022		28,861,949
Ending balance at Dec. 30, 2022	587,496	$ 3	431,415	$ (91,578)	247,656
Treasury stock, ending balance (in shares) at Dec. 30, 2022				4,437,439
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ordinary shares issued from exercise of stock options (in shares)		215,884
Ordinary shares issued from exercise of stock options	4,467		4,467
Ordinary shares issued from vesting of restricted share units (in shares)		259,944
Ordinary shares issued from vesting of restricted share units	(3,672)		(3,672)
Ordinary shares issued from employee share purchase plan (in shares)		97,621
Ordinary shares issued from employee share purchase plan	2,033		2,033
Share-based compensation expense	17,338		17,338
Net income (loss)	(42,985)				(42,985)
Ending balance (in shares) at Dec. 29, 2023		29,435,398
Ending balance at Dec. 29, 2023	$ 564,677	$ 3	451,581	$ (91,578)	204,671
Treasury stock, ending balance (in shares) at Dec. 29, 2023	4,437,439			4,437,439
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ordinary shares issued from exercise of stock options (in shares)		216,439
Ordinary shares issued from exercise of stock options	$ 5,301		5,301
Ordinary shares issued from vesting of restricted share units (in shares)		293,331
Ordinary shares issued from vesting of restricted share units	(5,443)		(5,443)
Ordinary shares issued from employee share purchase plan (in shares)		81,040
Ordinary shares issued from employee share purchase plan	2,307		2,307
Share-based compensation expense	15,576		15,576
Ordinary shares issued, net of transaction costs (in shares)		3,833,334
Ordinary shares issued, net of transaction costs	136,738		136,738
Net income (loss)	(20,820)				(20,820)
Ending balance (in shares) at Dec. 27, 2024		33,859,542
Ending balance at Dec. 27, 2024	$ 698,336	$ 3	$ 606,060	$ (91,578)	$ 183,851
Treasury stock, ending balance (in shares) at Dec. 27, 2024	4,437,439			4,437,439