Debt Debt, Textuals (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Aug. 02, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding						$ 570,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage				0.20%
Letters of Credit, Maximum Borrowing Capacity		$ 33,500		$ 33,500
Line of Credit Facility, Remaining Borrowing Capacity		861,500		861,500
Repayments of Other Debt				2,100	$ 1,900
Repayments of Debt				396,500	83,700
Losses on early extinguishment of debt, net		(54)	$ (1,225)	(1,114)	(1,225)
Long-term Debt, Fair Value		4,117,146		4,117,146		3,921,833
Redemption Premium				500	1,100
Interest Paid, Including Capitalized Interest, Operating and Investing Activities				108,500	76,200
Unamortized Debt Issuance Expense		$ 38,538		38,538		$ 39,865
Proceeds from Issuance of Debt				$ 573,400
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		4.32%		4.32%		4.32%
Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate		7.20%		7.20%		2.95%
Total Debt with Fixed Interest		71.00%		71.00%		72.00%
Subsequent Event [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding	$ 585,000
Line of Credit Facility, Increase (Decrease), Net	$ 20,000
April 2027 [Member]
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment				$ 900	14,400
May 2024 [Member]
Debt Instrument [Line Items]
Notes Payable to Bank, Noncurrent		$ 0		0		$ 536,250
Line of Credit Facility, Amount Outstanding		0		0		570,000
Debt Instrument, Periodic Payment			16,300	$ 145,300
Line of Credit Facility, Revolving Credit Conversion to Term Loan, Description				1.650
Bank Credit Facility 2024 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding		0		$ 0
Line of Credit Facility, Increase (Decrease), Net			$ 135,000	10,000
Debt Instrument, Periodic Payment				199,300	$ 50,000
January 2028
Debt Instrument [Line Items]
Notes Payable to Bank, Noncurrent		666,563		666,563		0
Line of Credit Facility, Amount Outstanding		605,000		605,000		0
Line of Credit Facility, Increase (Decrease), Net				220,000
Debt Instrument, Periodic Payment				8,400
Term loans
Debt Instrument [Line Items]
Line of Credit Facility, Increase (Decrease), Net				284,100
Debt Instrument, Increase (Decrease), Net				138,800
Bank Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Increase (Decrease), Net				44,300
Debt Instrument, Increase (Decrease), Net				$ 155,000
Line of Credit Facility, Revolving Credit Conversion to Term Loan, Description				2.175
1.5 Billion Bank Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Revolving Credit Conversion to Term Loan, Description				1.5
100 Million Bank Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Revolving Credit Conversion to Term Loan, Description				100.0
675 Million Term Loan
Debt Instrument [Line Items]
Line of Credit Facility, Revolving Credit Conversion to Term Loan, Description				675.0
Bank Credit Facility 2028
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding		605,000		$ 605,000		0
Debt Instrument, Periodic Payment				40,000
Unsecured Debt [Member] | April 2027 [Member]
Debt Instrument [Line Items]
Senior Notes		137,424		137,424		138,274
Unsecured Debt [Member] | December 2027 [Member]
Debt Instrument [Line Items]
Senior Notes		550,000		550,000		550,000
Unsecured Debt [Member] | August 2030
Debt Instrument [Line Items]
Senior Notes		850,000		850,000		850,000
Unsecured Debt [Member] | June 2029 [Member]
Debt Instrument [Line Items]
Senior Notes		750,000		750,000		750,000
Unsecured Debt [Member] | May 2031
Debt Instrument [Line Items]
Senior Notes		$ 800,000		$ 800,000		$ 800,000