CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Cash flows relating to operating activities
Net income	$ 480,370	$ 492,608	$ 398,837
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	314,124	303,870	265,540
Stock-based compensation	72,048	73,617	71,474
Loss on debt extinguishment and amortization of other financing costs	3,967	4,118	29,964
Deferred income taxes	(50,903)	(35,884)	(24,006)
Long-lived asset impairment charges	41,911	5,816	733
(Gain) loss on venture capital and strategic equity investments, net	(97,827)	26,775	30,420
Provision for credit losses	18,225	6,706	1,657
Loss (gain) on divestitures, net	961	(123,405)	(25,026)
Changes in fair value of contingent consideration arrangements	1,810	(3,753)	(34,303)
Other, net	1,592	21,726	2,567
Changes in assets and liabilities:
Trade receivables and contract assets, net	(33,434)	(150,570)	(26,633)
Inventories	(62,301)	(78,523)	(25,159)
Accounts payable	(20,427)	(2,652)	44,901
Accrued compensation	12,447	(42,164)	44,304
Deferred revenue	(21,743)	57,658	(13,402)
Customer contract deposits	(15,564)	30,457	16,925
Other assets and liabilities, net	38,642	33,240	2,006
Net cash provided by operating activities	683,898	619,640	760,799
Cash flows relating to investing activities
Acquisition of businesses and assets, net of cash acquired	(194,785)	(283,392)	(1,293,095)
Capital expenditures	(318,528)	(324,733)	(228,772)
Purchases of investments and contributions to venture capital investments	(54,215)	(158,274)	(45,555)
Proceeds from sale of investments	6,667	4,549	6,532
Proceeds from sale of businesses, net	0	163,275	122,694
Other, net	(2,294)	(9,347)	264
Net cash used in investing activities	(563,155)	(607,922)	(1,437,932)
Cash flows relating to financing activities
Proceeds from long-term debt and revolving credit facility	776,353	2,952,430	6,951,113
Proceeds from exercises of stock options	25,597	25,110	45,652
Payments on long-term debt, revolving credit facility, and finance lease obligations	(851,676)	(2,932,636)	(6,242,877)
Purchase of treasury stock	(24,155)	(38,651)	(40,707)
Payment of debt extinguishment and financing costs	0	0	(38,255)
Payments of contingent consideration	(2,711)	(10,356)	(2,328)
Purchases of additional equity interests, net	(4,784)	(30,533)	0
Other, net	(4,145)	(7,761)	0
Net cash (used in) provided by financing activities	(85,521)	(42,397)	672,598
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	8,044	25,579	17,730
Net change in cash, cash equivalents, and restricted cash	43,266	(5,100)	13,195
Cash, cash equivalents, and restricted cash, beginning of period	241,214	246,314	233,119
Cash, cash equivalents, and restricted cash, end of period	$ 284,480	$ 241,214	$ 246,314