Quarterly Financial Data - Unaudited (Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Oct. 01, 2022	Jul. 02, 2022	Apr. 02, 2022	Jan. 01, 2022	Oct. 02, 2021	Jul. 03, 2021	Apr. 03, 2021	Jan. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Current assets:
Cash and cash equivalents	$ 529,857	$ 493,305	$ 559,893	$ 627,717	$ 650,026	$ 623,844	$ 575,176	$ 516,030
Accounts receivable, net of allowances	1,138,894	1,229,864	1,271,100	1,299,014	1,193,437	1,155,253	1,124,838	1,112,925
Contract assets	475,721	444,796	399,282	347,583	332,190	333,438	321,947	357,989
Inventories	1,684,099	1,590,123	1,443,621	1,253,697	1,041,790	892,633	785,406	819,474
Prepaid expenses and other current assets	62,044	63,827	61,525	59,188	53,952	50,446	38,584	48,851
Total current assets	3,890,615	3,821,915	3,735,421	3,587,199	3,271,395	3,055,614	2,845,951	2,855,269
Property, plant and equipment, net	575,170	545,673	525,362	525,159	532,985	535,685	515,203	526,645
Deferred income tax assets, net	209,554	222,080	229,574	235,031	242,261	248,060	266,592	271,187
Other	160,192	149,608	156,867	157,533	156,953	160,004	137,998	140,410
Total assets	4,835,531	4,739,276	4,647,224	4,504,922	4,203,594	3,999,363	3,765,744	3,793,511
Current liabilities:
Accounts payable	2,041,434	1,984,374	1,830,044	1,708,222	1,472,257	1,296,005	1,108,994	1,143,431
Accrued liabilities	281,599	326,212	332,431	253,962	177,203	171,365	195,839	209,581
Accrued payroll and related benefits	130,892	133,319	116,794	115,738	117,648	123,365	114,704	120,469
Short-term debt, including current portion of long-term debt	17,500	18,750	18,750	18,750	18,750	18,750	18,750	18,750
Total current liabilities	2,471,425	2,462,655	2,298,019	2,096,672	1,785,858	1,609,485	1,438,287	1,492,231
Long-term liabilities:
Long-term debt	329,237	298,345	302,751	307,160	311,572	315,987	320,405	324,825
Other	215,333	209,716	241,416	248,326	253,532	260,132	296,121	303,514
Total long-term liabilities	544,570	508,061	544,167	555,486	565,104	576,119	616,526	628,339
Contingencies
Stockholders' equity	1,819,536	1,768,560	1,805,038	1,852,764	1,852,632	1,813,759	1,710,931	1,672,941	$ 1,623,372	$ 1,647,073
Total liabilities and stockholders' equity	4,835,531	4,739,276	4,647,224	4,504,922	4,203,594	3,999,363	3,765,744	3,793,511
Previously Reported
Current assets:
Cash and cash equivalents	529,857	493,305	559,893	627,717	650,026	623,844	575,176	516,030
Accounts receivable, net of allowances	1,138,894	1,228,435	1,270,494	1,298,327	1,192,434	1,153,813	1,122,962	1,108,472
Contract assets	503,674	459,306	417,286	364,407	348,741	345,096	334,957	350,049
Inventories	1,691,081	1,591,111	1,437,955	1,242,440	1,036,511	892,633	785,406	819,474
Prepaid expenses and other current assets	62,044	63,827	61,525	59,188	53,952	50,446	38,584	48,851
Total current assets	3,925,550	3,835,984	3,747,153	3,592,079	3,281,664	3,065,832	2,857,085	2,842,876
Property, plant and equipment, net	575,170	545,673	525,362	525,159	532,985	550,038	529,651	541,188
Deferred income tax assets, net	198,588	212,407	220,532	227,239	235,117	241,069	259,943	269,803
Other	160,192	149,608	156,867	157,533	156,953	145,651	123,550	125,867
Total assets	4,859,500	4,743,672	4,649,914	4,502,010	4,206,719	4,002,590	3,770,229	3,779,734
Current liabilities:
Accounts payable	2,029,534	1,976,533	1,817,465	1,694,592	1,464,693	1,296,005	1,108,994	1,143,431
Accrued liabilities	275,735	303,076	314,648	236,227	161,896	149,236	176,148	190,797
Accrued payroll and related benefits	130,892	133,319	116,794	115,738	117,648	123,365	114,704	120,469
Short-term debt, including current portion of long-term debt	17,500	18,750	18,750	18,750	18,750	18,750	18,750	18,750
Total current liabilities	2,453,661	2,431,678	2,267,657	2,065,307	1,762,987	1,587,356	1,418,596	1,473,447
Long-term liabilities:
Long-term debt	329,237	298,345	302,751	307,160	311,572	315,987	320,405	324,825
Other	215,333	209,716	241,416	248,326	253,532	260,132	296,121	303,514
Total long-term liabilities	544,570	508,061	544,167	555,486	565,104	576,119	616,526	628,339
Contingencies
Stockholders' equity	1,861,269	1,803,933	1,838,090	1,881,217	1,878,628	1,839,115	1,735,107	1,677,948
Total liabilities and stockholders' equity	4,859,500	4,743,672	4,649,914	4,502,010	4,206,719	4,002,590	3,770,229	3,779,734
Investigation Adjustments
Current assets:
Contract assets	(27,953)	(34,918)	(33,512)	(31,772)	(28,708)	(29,357)	(27,204)	(9,427)
Inventories	(21,705)	(8,829)	(6,913)	(2,373)	(2,285)
Total current assets	(49,658)	(43,747)	(40,425)	(34,145)	(30,993)	(29,357)	(27,204)	(9,427)
Deferred income tax assets, net	10,966	9,673	9,042	7,792	7,144	6,991	6,649	2,074
Total assets	(38,692)	(34,074)	(31,383)	(26,353)	(23,849)	(22,366)	(20,555)	(7,353)
Current liabilities:
Accrued liabilities	1,441	1,299	1,669	2,100	2,147	2,990	3,621	(136)
Total current liabilities	1,441	1,299	1,669	2,100	2,147	2,990	3,621	(136)
Long-term liabilities:
Contingencies
Stockholders' equity	(40,133)	(35,373)	(33,052)	(28,453)	(25,996)	(25,356)	(24,176)	(7,217)
Total liabilities and stockholders' equity	$ (38,692)	(34,074)	(31,383)	(26,353)	$ (23,849)	(22,366)	(20,555)	(7,353)
Other Adjustments
Current assets:
Accounts receivable, net of allowances		1,429	606	687		1,440	1,876	4,453
Contract assets		20,408	15,508	14,948		17,699	14,194	17,367
Inventories		7,841	12,579	13,630
Total current assets		29,678	28,693	29,265		19,139	16,070	21,820
Property, plant and equipment, net						(14,353)	(14,448)	(14,543)
Deferred income tax assets, net								(690)
Other						14,353	14,448	14,543
Total assets		29,678	28,693	29,265		19,139	16,070	21,130
Current liabilities:
Accounts payable		7,841	12,579	13,630
Accrued liabilities		21,837	16,114	15,635		19,139	16,070	18,920
Total current liabilities		29,678	28,693	29,265		19,139	16,070	18,920
Long-term liabilities:
Contingencies
Stockholders' equity								2,210
Total liabilities and stockholders' equity		$ 29,678	$ 28,693	$ 29,265		$ 19,139	$ 16,070	$ 21,130