Accumulated other comprehensive income (loss) ("AOCI") - Schedule of Changes in AOCI, Net of Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 24, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,468,658	$ 1,253,682	$ 1,112,520
Other comprehensive income (loss) before reclassification	4,874	5,015
Amounts reclassified from AOCI	(72)	(337)
Tax effects	172	0
Total other comprehensive income (loss), net of tax	4,974	4,678	(6,527)
Ending balance	1,745,745	1,468,658	1,253,682
Unrealized Gains (Losses) on Available-for-sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,279)	(6,018)
Other comprehensive income (loss) before reclassification	2,099	2,646
Amounts reclassified from AOCI	1	93
Tax effects	0	0
Total other comprehensive income (loss), net of tax	2,100	2,739
Ending balance	(1,179)	(3,279)	(6,018)
Unrealized Gains (Losses) on Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,541)	(5,082)
Other comprehensive income (loss) before reclassification	2,792	2,444
Amounts reclassified from AOCI	(403)	(903)
Tax effects	172	0
Total other comprehensive income (loss), net of tax	2,561	1,541
Ending balance	(980)	(3,541)	(5,082)
Retirement benefit plan - Prior service cost
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(330)	(803)
Other comprehensive income (loss) before reclassification	0	0
Amounts reclassified from AOCI	330	473
Tax effects	0	0
Total other comprehensive income (loss), net of tax	330	473
Ending balance	0	(330)	(803)
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(965)	(890)
Other comprehensive income (loss) before reclassification	(17)	(75)
Amounts reclassified from AOCI	0	0
Tax effects	0	0
Total other comprehensive income (loss), net of tax	(17)	(75)
Ending balance	(982)	(965)	(890)
AOCI Attributable to Parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(8,115)	(12,793)
Ending balance	$ (3,141)	$ (8,115)	$ (12,793)