Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument, Unamortized Discount	$ (4,180)
Unamortized Debt Issuance Expense	(19,872)
Current Portion of Long-Term Debt, Gross	711,832
Debt, Long-term and Short-term, Combined Amount	3,898,066
Long-term Debt, Gross	3,186,234
Current portion of long-term debt	711,414	$ 721,872
Quoted Prices In Active Markets (Level 1) [Member]
Carrying value of Investments in US Treasury Securities measured at amortized cost (held-to-maturity)	706,100	$ 689,900
Significant Other Observable Inputs (Level 2) [Member]
Long-term Debt	(3,162,600)
Debt, Long-term and Short-term, Combined Amount	3,874,014
2.55 Percent Senior Unsecured Notes due in 2031 [Member]
Debt Instrument, Unamortized Discount	(93)
Unamortized Debt Issuance Expense	(2,455)
Long-term Debt, Gross	400,000
2.55 Percent Senior Unsecured Notes due in 2031 [Member] | Significant Other Observable Inputs (Level 2) [Member]
Long-term Debt	(397,452)
3.625 Percent Senior Unsecured Notes due in 2051 [Member]
Debt Instrument, Unamortized Discount	(3)
Unamortized Debt Issuance Expense	(4,091)
Long-term Debt, Gross	400,000
3.625 Percent Senior Unsecured Notes due in 2051 [Member] | Significant Other Observable Inputs (Level 2) [Member]
Long-term Debt	(395,906)
3.3 Percent Ten Year Senior Unsecured Notes due in Sept 2029 [Member]
Debt Instrument, Unamortized Discount	(1,580)
Unamortized Debt Issuance Expense	(4,372)
Long-term Debt, Gross	850,000
3.3 Percent Ten Year Senior Unsecured Notes due in Sept 2029 [Member] | Significant Other Observable Inputs (Level 2) [Member]
Long-term Debt	(844,048)
1.875 Percent Ten Year Senior Unsecured Notes [Member]
Debt Instrument, Unamortized Discount	(1,121)
Unamortized Debt Issuance Expense	(1,029)
Long-term Debt, Gross	535,700
1.875 Percent Ten Year Senior Unsecured Notes [Member] | Significant Other Observable Inputs (Level 2) [Member]
Long-term Debt	(533,550)
Other Debt Facilities - Current [Member]
Debt Instrument, Unamortized Discount	0
Other Long-term Debt, Current	353
Unamortized Debt Issuance Expense	0
Other Debt Facilities - Current [Member] | Significant Other Observable Inputs (Level 2) [Member]
Other Long-term Debt, Current	353
Other Debt Facilities - Non-current [Member]
Debt Instrument, Unamortized Discount	0
Other Long-term Debt, Noncurrent	534
Unamortized Debt Issuance Expense	0
Other Debt Facilities - Non-current [Member] | Significant Other Observable Inputs (Level 2) [Member]
Other Long-term Debt, Noncurrent	534
Line of Credit, Maturing August 24, 2026 [Member]
Debt Instrument, Unamortized Discount	0
Long-term Debt	(1,604)
Unamortized Debt Issuance Expense	(1,604)
Revolving credit facility outstanding balance	0
0.850% Senior Unsecured Notes due 2024 [Member]
Debt Instrument, Unamortized Discount	(35)
Unamortized Debt Issuance Expense	(383)
Current Portion of Long-Term Debt, Gross	711,479
0.850% Senior Unsecured Notes due 2024 [Member] | Significant Other Observable Inputs (Level 2) [Member]
Current portion of long-term debt	711,061
1.900% Senior Unsecured Notes due 2028 [Member]
Debt Instrument, Unamortized Discount	(224)
Unamortized Debt Issuance Expense	(2,707)
Long-term Debt, Gross	500,000
1.900% Senior Unsecured Notes due 2028 [Member] | Significant Other Observable Inputs (Level 2) [Member]
Long-term Debt	(497,069)
2.250% Senior Unsecured Notes due in 2031 [Member]
Debt Instrument, Unamortized Discount	(1,124)
Unamortized Debt Issuance Expense	(3,231)
Long-term Debt, Gross	500,000
2.250% Senior Unsecured Notes due in 2031 [Member] | Significant Other Observable Inputs (Level 2) [Member]
Long-term Debt	(495,645)
Long-term Debt [Member]
Debt Instrument, Unamortized Discount	(4,145)
Unamortized Debt Issuance Expense	(19,489)
Long-term Debt - Current Portion [Member]
Debt Instrument, Unamortized Discount	(35)
Unamortized Debt Issuance Expense	$ (383)