Stock-Based Compensation (Schedule of Non-Cash Compensation Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total cost of non-cash compensation included in income before provision for income taxes	$ 87,919	$ 99,909	$ 84,402
Cost of Revenues [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total cost of non-cash compensation included in income before provision for income taxes	2,869	2,490	2,483
Selling, General And Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total cost of non-cash compensation included in income before provision for income taxes	$ 85,050	$ 97,419	$ 81,919