CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 24, 2021
Income Statement [Abstract]
Revenues	$ 655,429	$ 543,322
Cost of revenues	(572,673)	(479,725)
Gross profit	82,756	63,597
Selling, general and administrative expenses	(20,565)	(20,587)
Operating income	62,191	43,010
Interest income	1,559	761
Interest expense	(391)	(36)
Foreign exchange gain (loss), net	2,085	1,772
Other income (expense), net	(141)	(260)
Income before income taxes	65,303	45,247
Income tax expense	(688)	(596)
Net income	64,615	44,651
Other comprehensive income (loss), net of tax:
Change in net unrealized gain (loss) on available-for-sale securities	(1,461)	(213)
Change in net unrealized gain (loss) on derivative instruments	(1,218)	(1,217)
Change in net retirement benefits plan – prior service cost	168	198
Change in foreign currency translation adjustment	246	(164)
Total other comprehensive income (loss), net of tax	(2,265)	(1,396)
Net comprehensive income	$ 62,350	$ 43,255
Earnings per share
Basic (in USD per share)	$ 1.77	$ 1.21
Diluted (in USD per share)	$ 1.76	$ 1.20
Weighted-average number of ordinary shares outstanding (thousands of shares)
Basic (in shares)	36,528	36,877
Diluted (in shares)	36,758	37,328