Supplementary Information (Tables)

12 Months Ended

Dec. 31, 2023

Supplementary Information [Abstract]

Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported in the consolidated balance sheets that sum to the total of the amounts reported in the consolidated statements of cash flows (in thousands):

	December 31,
	2023		2022
Cash and cash equivalents	$	467,459	$	316,146
Restricted cash included in other long-term assets		117		812
Total cash, cash equivalents, and restricted cash	$	467,576	$	316,958

Schedule of Accounts Receivable Net

Accounts receivable, net consisted of the following (in thousands):

	December 31,
	2023		2022
Accounts receivable, trade	$	185,275	$	163,989
Contract assets		5,186		6,290
Accounts receivable, net	$	190,461	$	170,279

Schedule of Provision for Credit Loss

Activity in the provision for credit loss was as follows (in thousands):

	Year ended December 31,
	2023			2022			2021
Balance, beginning of year	$	(2,590	)	$	(2,539	)	$	(2,559	)
Provision charged to expense		(299	)		(203	)		(514	)
Write-off, net of recoveries		6			498			500
Effects of foreign currency translation		(58	)		(346	)		34
Balance, end of year	$	(2,941	)	$	(2,590	)	$	(2,539	)

Summary of Property and Equipment

Property and equipment consisted of the following (in thousands):

	Estimated			December 31,
	useful lives			2023		2022
Land	Indefinite			$	8,376	$	7,994
Building and improvements	5-39 years				17,528		16,995
Computer equipment and software	3-5 years				45,678		45,340
Office furniture and equipment	5-15 years				14,402		15,457
Leasehold improvements		(1	)		8,380		8,766
Total property and equipment					94,364		94,552
Less: accumulated depreciation and amortization					54,561		57,035
Property and equipment, net				$	39,803	$	37,517

(1)Shorter of lease term or estimated useful life, generally ranging from five to ten years.

Summary of Other Accrued Expenses and Current Liabilities

The following table provides the details of other accrued expenses and current liabilities (in thousands):

	December 31,
	2023		2022
Income taxes payable	$	12,239	$	11,524
Accrued VAT		8,710		8,402
Employee stock purchase plan obligations		4,155		3,969
Obligations related to acquisition of businesses		3,286		13,136
Customer advances		2,700		921
Non-income tax liabilities		2,473		2,465
Accrued professional fees		2,436		3,637
Billings in excess of cost		2,385		1,874
Accrued royalties		2,313		2,593
Defined contribution plan liabilities		1,454		1,393
Other current liabilities		6,247		6,457
Total	$	48,398	$	56,371

Summary of Other Long-term Liabilities

The following table provides the details of other long-term liabilities (in thousands):

	December 31,
	2023		2022
Income tax reserves	$	16,254	$	10,852
Pension and other post-retirement liabilities		15,815		12,273
Deferred tax liabilities		12,870		16,775
Other liabilities		2,212		1,316
Total	$	47,151	$	41,216

Schedule of Other (Income) Expense, Net

Other (income) expense, net consists of the following (in thousands):

	Year ended December 31,
	2023			2022			2021
Interest income	$	(16,855	)	$	(4,127	)	$	(541	)
Foreign exchange (gain) loss		(1,637	)		4,405			1,103
Expense on repurchase of convertible senior notes		—			16,621			—
Other (income) expense, net	$	(18,492	)	$	16,899		$	562