Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 03, 2020
Cash flows from operating activities:
Net income	$ 11,275	$ 62,044	$ 85,712
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization expense	93,417	67,083	49,330
Stock-based compensation expense	38,293	28,290	26,538
Benefit for deferred income taxes	(2,419)	(1,125)	(3,019)
Gain on investments	0	0	(5,817)
Other non-cash items	(497)	3,745	3,509
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable, unbilled receivables and costs in excess of billings	(146,477)	(51,981)	(31,079)
Inventory	(40,902)	(27,441)	(31,609)
Prepaid income taxes	(4,977)	1,703	(2,792)
Prepaid expenses and other current assets	(4,396)	1,718	(2,116)
Other non-current assets	6,117	5,459	(1,260)
Accounts payable, accrued expenses and accrued compensation	58,395	(6,315)	13,610
Deferred revenues and customer advances	(18,998)	13,731	7,082
Income taxes payable	1,009	4,080	(131)
Other non-current liabilities	(8,709)	(3,744)	7,226
Net cash (used in) provided by operating activities	(18,869)	97,247	115,184
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(243,464)	(372,826)	(96,502)
Purchases of property and equipment	(27,656)	(45,599)	(43,294)
Proceeds from sale of investment	0	0	4,310
Other investing activities	(3,200)	1,538	0
Net cash used in investing activities	(274,320)	(416,887)	(135,486)
Cash flows from financing activities:
Proceeds from employee stock plans	5,371	6,295	5,317
Payments for retirement of common stock	(8,206)	(66)	(16,249)
Payments under credit facilities	0	0	(200,000)
Borrowings under credit facilities	251,500	200,000	200,000
Payments of deferred financing and offering costs	(2,911)	0	0
Net cash provided by (used in) financing activities	245,754	206,229	(10,932)
Effect of exchange rate changes on cash and cash equivalents	(750)	412	140
Net decrease in cash and cash equivalents	(48,185)	(112,999)	(31,094)
Cash and cash equivalents at beginning of year	113,839	226,838	257,932
Cash and cash equivalents at end of year	65,654	113,839	226,838
Cash paid during the period for:
Interest	5,492	1,088	1,046
Income taxes	14,121	8,983	12,939
Non-cash investing activity	$ 6,919	$ (1,928)	$ 2,623