RECEIVABLES, NET - Receivables by Category and Concentration (Details) $ in Thousands	Sep. 30, 2026 USD ($) Customer	Dec. 31, 2025 USD ($) Customer
Current and long-term receivables balances
Accounts receivable	$ 560,975	$ 492,834
Unbilled accounts receivable	553,903	455,993
Long-term receivables	60,900	52,451
Total receivables	1,175,778	1,001,278
Less allowance for doubtful accounts	(4,287)	(3,888)
Total receivables, net	1,171,491	997,390
Net Investment in sales-type leases, before allowance for credit loss	145,000	103,500
Net investment in sales-type leases, before allowance for credit loss, non-current	$ 33,000	$ 34,000
Percentage of receivables, net attributable to single customer	10.00%	10.00%
Number of customers with accounts receivable and installment contract receivables greater than 10% of total receivables, net | Customer	0	0