v3.26.1
Long-term Debt (Schedule Of Long-Term Debt) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Long-term Debt, Noncurrent $ 854,833 $ 883,391
2.70% Senior Notes [Member]    
Debt Instrument [Line Items]    
Senior notes, interest rate 2.70% 2.70%
Long-term Debt, Noncurrent $ 395,833 $ 395,391
3.78% Senior Notes [Member]    
Debt Instrument [Line Items]    
Senior notes, interest rate 3.78% 3.78%
Long-term Debt, Noncurrent $ 150,000 $ 200,000
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Long-term Debt, Noncurrent $ 309,000 $ 288,000