Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jul. 02, 2021
Cash flows from operating activities:
Net (loss) income	$ (28,335)	$ 11,275	$ 62,044
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization expense	97,329	93,417	67,083
Stock-based compensation expense	27,753	38,293	28,290
Share-based matching contributions on defined contribution plan	15,665	0	0
Benefit for deferred income taxes	(59,647)	(2,419)	(1,125)
Cash settlement for termination of interest rate swap	5,995	0	0
Other non-cash items	(746)	(497)	3,745
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable, unbilled receivables, and costs in excess of billings	(58,718)	(146,477)	(51,981)
Inventory	(64,061)	(40,902)	(27,441)
Prepaid income taxes	7,433	(4,977)	1,703
Prepaid expenses and other current assets	2,942	(4,396)	1,718
Other non-current assets	3,769	6,117	5,459
Accounts payable, accrued expenses and accrued compensation	(16,732)	58,395	(6,315)
Deferred revenues and customer advances	40,701	(18,998)	13,731
Income taxes payable	9,907	1,009	4,080
Other non-current liabilities	(4,509)	(8,709)	(3,744)
Net cash (used in) provided by operating activities	(21,254)	(18,869)	97,247
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	0	(243,464)	(372,826)
Purchases of property and equipment	(38,796)	(27,656)	(45,599)
Other investing activities	235	(3,200)	1,538
Net cash used in investing activities	(38,561)	(274,320)	(416,887)
Cash flows from financing activities:
Proceeds from employee stock plans	5,492	5,371	6,295
Payments for retirement of common stock	(63)	(8,206)	(66)
Payments under credit facilities	(80,000)	0	0
Borrowings under credit facilities	140,000	251,500	200,000
Payments of deferred financing and offering costs	0	(2,911)	0
Net cash provided by financing activities	65,429	245,754	206,229
Effect of exchange rate changes on cash and cash equivalents	295	(750)	412
Net increase (decrease) in cash and cash equivalents	5,909	(48,185)	(112,999)
Cash and cash equivalents at beginning of year	65,654	113,839	226,838
Cash and cash equivalents at end of year	71,563	65,654	113,839
Cash paid during the period for:
Interest	27,288	5,492	1,088
Income taxes	24,243	14,121	8,983
Non-cash investing activity: Purchases of property and equipment incurred but not yet paid	$ 6,475	$ 6,919	$ (1,928)