Accumulated other comprehensive income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 29, 2023	Sep. 30, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,468,658	$ 1,253,682
Other comprehensive income (loss) before reclassification	(595)	(3,783)
Amounts reclassified out of AOCI to the unaudited condensed consolidated statements of operations and comprehensive income	613	1,518
Tax effects	595	0
Total other comprehensive income (loss), net of tax	613	(2,265)
Ending balance	1,530,169	1,302,366
Unrealized net (Losses)/Gains 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	948	(1,553)
Amounts reclassified out of AOCI to the unaudited condensed consolidated statements of operations and comprehensive income	0	92
Tax effects	0	0
Total other comprehensive income (loss), net of tax	948	(1,461)
Ending balance	(2,331)	(7,479)
Unrealized net (Losses)/Gains on Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,541)	(5,082)
Other comprehensive income (loss) before reclassification	(1,643)	(2,476)
Amounts reclassified out of AOCI to the unaudited condensed consolidated statements of operations and comprehensive income	523	1,258
Tax effects	559	0
Total other comprehensive income (loss), net of tax	(561)	(1,218)
Ending balance	(4,102)	(6,300)
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 out of AOCI to the unaudited condensed consolidated statements of operations and comprehensive income	90	168
Tax effects	36	0
Total other comprehensive income (loss), net of tax	126	168
Ending balance	(204)	(635)
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(965)	(890)
Other comprehensive income (loss) before reclassification	100	246
Amounts reclassified out of AOCI to the unaudited condensed consolidated statements of operations and comprehensive income	0	0
Tax effects	0	0
Total other comprehensive income (loss), net of tax	100	246
Ending balance	(865)	(644)
AOCI Attributable to parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(8,115)	(12,793)
Total other comprehensive income (loss), net of tax	613	(2,265)
Ending balance	$ (7,502)	$ (15,058)