Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jul. 02, 2021	Jul. 03, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income	$ 62,044	$ 85,712	$ 46,775
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	67,083	49,330	46,392
Stock-based compensation expense	28,290	26,538	19,422
Benefit for deferred income taxes	(1,125)	(3,019)	(1,557)
Gain on investments	0	(5,817)	0
Termination of interest rate swap	0	0	5,420
Other non-cash items	3,745	3,509	3,779
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable, unbilled receivables, and costs in excess of billings	(51,981)	(31,079)	(28,096)
Inventory	(27,441)	(31,609)	(17,101)
Prepaid income taxes	1,703	(2,792)	3,843
Prepaid expenses and other current assets	1,718	(2,116)	(1,075)
Other non-current assets	5,459	(1,260)	101
Accounts payable, accrued expenses and accrued compensation	(6,315)	13,610	17,949
Deferred revenues and customer advances	13,731	7,082	(1,531)
Income taxes payable	4,080	(131)	3,152
Other non-current liabilities	(3,744)	7,226	44
Net cash provided by operating activities	97,247	115,184	97,517
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(372,826)	(96,502)	(127,083)
Purchases of property and equipment	(45,599)	(43,294)	(26,691)
Proceeds from sale of investment	1,538	4,310	0
Net cash used in investing activities	(416,887)	(135,486)	(153,774)
Cash flows from financing activities:
Proceeds from employee stock plans	6,295	5,317	3,661
Payments for retirement of common stock	(66)	(16,249)	(7,968)
Payments under credit facilities	0	(200,000)	(324,500)
Borrowings under credit facilities	200,000	200,000	129,500
Proceeds from equity offering, net	0	0	454,343
Termination of interest rate swap	0	0	(5,420)
Payments of deferred financing and offering costs	0	0	(1,851)
Net cash provided by (used in) financing activities	206,229	(10,932)	247,765
Effect of exchange rate changes on cash and cash equivalents	412	140	(97)
Net (decrease) increase in cash and cash equivalents	(112,999)	(31,094)	191,411
Cash and cash equivalents at beginning of year	226,838	257,932	66,521
Cash and cash equivalents at end of year	113,839	226,838	257,932
Cash paid during the period for:
Interest	1,088	1,046	10,368
Income taxes	8,983	12,939	7,351
Non-cash investing activity	(1,928)	2,623	0
Non-cash financing activity	$ 0	$ 0	$ 770