CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jul. 01, 2023	Jun. 25, 2022
Cash flows relating to operating activities
Net income	$ 203,397	$ 205,890
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	154,740	151,720
Stock-based compensation	29,730	29,549
Loss on debt extinguishment and amortization of other financing costs	0	1,987
Deferred income taxes	(16,555)	(14,684)
Loss on venture capital and strategic equity investments, net	5,176	23,515
Loss on divestitures, net	563	0
Changes in fair value of contingent consideration arrangements	1,810	(15,420)
Other, net	21,721	13,520
Changes in assets and liabilities:
Trade receivables and contract assets, net	(48,249)	(117,642)
Inventories	(32,671)	(63,725)
Accounts payable	(24,985)	31,466
Accrued compensation	(7,648)	(38,173)
Deferred revenue	(6,796)	27,641
Customer contract deposits	(17,519)	16,100
Other assets and liabilities, net	(5,209)	360
Net cash provided by operating activities	257,505	252,104
Cash flows relating to investing activities
Acquisition of businesses and assets, net of cash acquired	(50,166)	(283,392)
Capital expenditures	(174,258)	(163,316)
Purchases of investments and contributions to venture capital investments	(22,689)	(108,842)
Proceeds from sale of investments	2,943	205
Other, net	(1,057)	(4,774)
Net cash used in investing activities	(245,227)	(560,119)
Cash flows relating to financing activities
Proceeds from long-term debt and revolving credit facility	281,796	2,180,511
Proceeds from exercises of stock options	15,719	15,571
Payments on long-term debt, revolving credit facility, and finance lease obligations	(317,049)	(1,856,262)
Purchase of treasury stock	(23,978)	(38,468)
Payments of contingent consideration	(2,711)	(10,356)
Purchases of additional equity interests, net	0	(15,438)
Other, net	0	(17,405)
Net cash (used in) provided by financing activities	(46,223)	258,153
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	1,508	10,756
Net change in cash, cash equivalents, and restricted cash	(32,437)	(39,106)
Cash, cash equivalents, and restricted cash, beginning of period	241,214	246,314
Cash, cash equivalents, and restricted cash, end of period	$ 208,777	$ 207,208