Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other income, net	$ (5,070)	$ 48,020	$ (5,542)	$ 78,247
Income Tax Expense (Benefit)	44,058	103,164	106,245	176,758
Net earnings	175,795	356,676	380,754	638,583
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net earnings	(2,697)	(2,554)	(7,890)	(5,874)
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other income, net	(3,322)	(3,213)	(9,826)	(7,383)
Income Tax Expense (Benefit)	665	659	1,975	1,509
Net earnings	(2,657)	(2,554)	(7,851)	(5,874)
Reclassification out of Accumulated Other Comprehensive Income | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other income, net	(51)	0	(49)	0
Income Tax Expense (Benefit)	11	0	10	0
Net earnings	$ (40)	$ 0	$ (39)	$ 0