CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands	Total	Cumulative effect adjustment from adoption of ASC 326	Ordinary Share	Additional Paid-in Capital	Treasury Shares	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Retained Earnings Cumulative effect adjustment from adoption of ASC 326
Beginning balance (in shares) at Jun. 26, 2020			38,471,967
Beginning balance at Jun. 26, 2020	$ 974,409	$ (107)	$ 385	$ 175,610	$ (68,501)	$ (1,147)	$ 868,062	$ (107)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	68,435						68,435
Other comprehensive income (loss)	(510)					(510)
Share-based compensation	11,878			11,878
Issuance of ordinary shares (in shares)			226,101
Issuance of ordinary shares	0		$ 2	(2)
Repurchase of shares held as treasury shares	(7,074)				(7,074)
Tax withholdings related to net share settlement of restricted share units	(10,361)			(10,361)
Ending balance (in shares) at Dec. 25, 2020			38,698,068
Ending balance at Dec. 25, 2020	1,036,670		$ 387	177,125	(75,575)	(1,657)	936,390
Beginning balance (in shares) at Sep. 25, 2020			38,680,659
Beginning balance at Sep. 25, 2020	1,000,703		$ 387	171,715	(68,501)	(3,904)	901,006
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	35,384						35,384
Other comprehensive income (loss)	2,247					2,247
Share-based compensation	5,851			5,851
Issuance of ordinary shares (in shares)			17,409
Issuance of ordinary shares	0
Repurchase of shares held as treasury shares	(7,074)				(7,074)
Tax withholdings related to net share settlement of restricted share units	(441)			(441)
Ending balance (in shares) at Dec. 25, 2020			38,698,068
Ending balance at Dec. 25, 2020	1,036,670		$ 387	177,125	(75,575)	(1,657)	936,390
Beginning balance (in shares) at Jun. 25, 2021			38,749,045
Beginning balance at Jun. 25, 2021	1,112,520		$ 388	189,445	(87,343)	(6,266)	1,016,296
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	93,530						93,530
Other comprehensive income (loss)	1,077					1,077
Share-based compensation	15,978			15,978
Issuance of ordinary shares (in shares)			259,951
Issuance of ordinary shares	0		$ 2	(2)
Repurchase of shares held as treasury shares	(4,433)				(4,433)
Tax withholdings related to net share settlement of restricted share units	(19,481)			(19,481)
Ending balance (in shares) at Dec. 24, 2021			39,008,996
Ending balance at Dec. 24, 2021	$ 1,199,191		$ 390	185,940	(91,776)	(5,189)	1,109,826
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible List]	Accounting Standards Update 2016-13 [Member]
Beginning balance (in shares) at Sep. 24, 2021			39,000,843
Beginning balance at Sep. 24, 2021	$ 1,146,002		$ 390	179,670	(87,343)	(7,662)	1,060,947
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	48,879						48,879
Other comprehensive income (loss)	2,473					2,473
Share-based compensation	6,686			6,686
Issuance of ordinary shares (in shares)			8,153
Issuance of ordinary shares	0
Repurchase of shares held as treasury shares	(4,433)				(4,433)
Tax withholdings related to net share settlement of restricted share units	(416)			(416)
Ending balance (in shares) at Dec. 24, 2021			39,008,996
Ending balance at Dec. 24, 2021	$ 1,199,191		$ 390	$ 185,940	$ (91,776)	$ (5,189)	$ 1,109,826