Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Apr. 02, 2021	Mar. 27, 2020
Cash flows from operating activities:
Net income	$ 44,119	$ 58,488
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	46,241	36,579
Stock-based compensation expense	21,865	19,004
(Benefit) provision for deferred income taxes	(6,357)	1,174
Gain on investment	0	(3,810)
Other non-cash items	3,094	2,402
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable, unbilled receivable, and cost in excess of billings	(28,351)	(34,254)
Inventory	(37,499)	(13,525)
Prepaid income taxes	2,480	(1,046)
Prepaid expenses and other current assets	3,939	508
Other non-current assets	3,424	(165)
Accounts payable, accrued expenses, and accrued compensation	9,072	15,483
Deferred revenues and customer advances	10,509	2,446
Other non-current liabilities	(2,483)	3,174
Net cash provided by operating activities	70,053	86,458
Cash flows from investing activities:
Acquisition of business, net of cash acquired	(305,263)	(96,502)
Purchases of property and equipment	(34,708)	(31,788)
Proceeds from sale of investment	1,538	4,310
Net cash used in investing activities	(338,433)	(123,980)
Cash flows from financing activities:
Proceeds from employee stock plans	3,199	2,396
Proceeds from issuance of debt	160,000	200,000
Purchase and retirement of common stock	(66)	(15,683)
Net cash provided by financing activities	163,133	186,713
Effect of exchange rate changes on cash and cash equivalents	352	23
Net (decrease) increase in cash and cash equivalents	(104,895)	149,214
Cash and cash equivalents at beginning of period	226,838	257,932
Cash and cash equivalents at end of period	121,943	407,146
Cash paid during the period for:
Interest	548	0
Income taxes	8,454	10,457
Noncash or Part Noncash Acquisition, Investments Acquired	$ 892	$ 0