Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2021	Jan. 01, 2021
Cash flows from operating activities:
Net (loss) income	$ (9,779)	$ 28,484
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization expense	45,556	26,281
Stock-based compensation expense	17,375	14,454
Benefit for deferred income taxes	(4,206)	(3,773)
Other non-cash items	(1,604)	2,217
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable, unbilled receivables, and costs in excess of billings	(17,937)	(6,802)
Inventory	(20,425)	(29,121)
Prepaid income taxes	(13,572)	1,809
Prepaid expenses and other current assets	(245)	1,052
Other non-current assets	1,004	698
Accounts payable, accrued expenses, and accrued compensation	13,294	(1,924)
Deferred revenues and customer advances	(1,148)	13,719
Income taxes payable	(9)	(131)
Other non-current liabilities	(3,486)	(95)
Net cash provided by operating activities	4,818	46,868
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(243,255)	(243,637)
Purchases of property and equipment	(13,404)	(24,753)
Other investing activities	(3,231)	0
Proceeds from sale of investment	0	1,538
Net cash used in investing activities	(259,890)	(266,852)
Cash flows from financing activities:
Proceeds from employee stock plans	2,516	3,188
Borrowings under credit facilities	251,500	160,000
Purchase and retirement of common stock	(7,499)	(66)
Net cash provided by financing activities	246,517	163,122
Effect of exchange rate changes on cash and cash equivalents	(115)	763
Net decrease in cash and cash equivalents	(8,670)	(56,099)
Cash and cash equivalents at beginning of period	113,839	226,838
Cash and cash equivalents at end of period	105,169	170,739
Cash paid during the period for:
Interest	890	0
Income taxes	17,808	7,942
Non-cash investing activity	$ 3,230	$ 427