Debt - LT Debt (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 28, 2024	Jun. 29, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt
Long-term debt			$ 2,773,783	$ 2,153,553
Accounts receivable, net			13,030,991	12,238,073
Long-term debt (including current portion), Maturity
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months			350,100
Long-term Debt, Maturities, Repayments of Principal in Year Two			39,800
Long-term Debt, Maturities, Repayments of Principal in Year Three			747,300
Long-term Debt, Maturities, Repayments of Principal in Year Four			503,400
Long-term Debt, Maturities, Repayments of Principal in Year Five			500,000
Long-term Debt, Maturities, Repayments of Principal after Year Five			1,000,000
Investment income, interest and dividend			54,500	66,400	$ 33,700
Interest paid, net of interest and dividend income			199,000	274,100	$ 175,600
Revolving Credit Facility
Debt
Maximum borrowing capacity			2,000,000
Long-term debt			$ 30,000	0
Debt instrument, interest rate, effective percentage			5.48%
Facility fee			0.175%
Debt instrument, basis spread on variable rate			0.10%
Long-term debt (including current portion), Maturity
Derivative, basis spread on variable rate			1.08%
North American asset securitization program
Debt
Maximum borrowing capacity			$ 1,500,000
Long-term debt			$ 633,000	198,000
Debt instrument, interest rate, effective percentage			4.83%
Facility fee			0.40%
Debt instrument, basis spread on variable rate			0.10%
Accounts receivable, net			$ 3,000,000	2,700,000
Long-term debt (including current portion), Maturity
Derivative, basis spread on variable rate			0.40%
4.00% notes, due 2025
Debt
Long-term debt			$ 0	349,061
Debt instrument, fair value			$ 0	$ 343,500
Debt instrument, interest rate, stated percentage			4.00%	4.00%
6.125% notes, due 2026
Debt
Long-term debt			$ 0	$ 497,661
Debt instrument, fair value			0	$ 502,000
Debt instrument, face amount		$ 500,000
Debt instrument, interest rate, stated percentage		6.125%		6.125%
7.50% senior debentures, due 2027
Debt
Long-term debt			110,266	$ 110,184
Debt instrument, fair value			$ 115,000	$ 117,000
Debt instrument, interest rate, stated percentage			7.50%	7.50%
3.875% notes, due 2028
Debt
Long-term debt			$ 497,775	$ 497,098
Debt instrument, fair value			$ 481,500	$ 475,000
Debt instrument, interest rate, stated percentage			3.875%	3.875%
5.15% notes, due in 2029
Debt
Long-term debt			$ 495,209	$ 0
Debt instrument, fair value			$ 498,000	0
Debt instrument, face amount	$ 500,000
Debt instrument, interest rate, stated percentage	5.15%		5.15%
Proceeds from offering	$ 494,900
2.95% notes, due 2032
Debt
Long-term debt			$ 495,576	495,039
Debt instrument, fair value			$ 426,000	$ 425,000
Debt instrument, interest rate, stated percentage			2.95%	2.95%
5.875% notes, due 2034
Debt
Long-term debt			$ 494,986	$ 0
Debt instrument, fair value			$ 502,500	0
Debt instrument, face amount		$ 500,000
Debt instrument, interest rate, stated percentage		5.875%	5.875%
Proceeds from offering		$ 494,700
Other obligations with various interest rates and due dates
Debt
Long-term debt			$ 16,971	$ 6,510