Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Treasury Stock	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment
Common stock, beginning balance (in shares) at Dec. 31, 2019			35,263
Treasury stock, beginning balance (in shares) at Dec. 31, 2019				0
Beginning balance at Dec. 31, 2019	$ 1,160,318		$ 353	$ 0	$ 357,032		$ (38,164)	$ 841,097
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes (in shares)			285
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes	5,964		$ 3		5,967
Stock-based compensation expense	17,727				17,727
Repurchase of treasury stock (in shares)				(445)
Repurchase of treasury stock	(25,000)			$ (25,000)
Retirement of treasury stock (in shares)			445	445
Retirement of treasury stock	(2)		$ (5)	$ 25,000	(4,504)		(1)	(20,492)
Foreign currency translation adjustments, net of tax	22,710						22,710
Net earnings	172,640							172,640
Common stock, ending balance (in shares) at Dec. 31, 2020			35,103
Treasury stock, ending balance (in shares) at Dec. 31, 2020				0
Ending balance at Dec. 31, 2020	1,342,429		$ 351	$ 0	364,288		(15,455)	993,245
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes (in shares)			291
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes	9,109		$ 3		9,112
Stock-based compensation expense	18,201				18,201
Repurchase of treasury stock (in shares)				(497)
Repurchase of treasury stock	(50,000)			$ (50,000)
Retirement of treasury stock (in shares)			497	497
Retirement of treasury stock	0		$ (5)	$ 50,000	(5,095)			(44,900)
Foreign currency translation adjustments, net of tax	(11,639)						(11,639)
Net earnings	$ 219,345							219,345
Common stock, ending balance (in shares) at Dec. 31, 2021	34,897		34,897
Treasury stock, ending balance (in shares) at Dec. 31, 2021				0
Ending balance at Dec. 31, 2021	$ 1,509,227	$ (26,942)	$ 349	$ 0	368,282	$ (44,731)	(27,094)	1,167,690	$ 17,789
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2020-06
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes (in shares)			220
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes	$ 7,905		$ 2		7,907
Stock-based compensation expense	22,710				22,710
Repurchase of treasury stock (in shares)				(1,109)
Repurchase of treasury stock	(107,922)			$ (107,922)
Retirement of treasury stock (in shares)			1,108	1,109
Retirement of treasury stock	0		$ (11)	$ 107,922	(10,482)			(97,429)
Foreign currency translation adjustments, net of tax	(31,708)						(31,708)
Net earnings	$ 280,608							280,608
Common stock, ending balance (in shares) at Dec. 31, 2022	34,009		34,009
Treasury stock, ending balance (in shares) at Dec. 31, 2022				0
Ending balance at Dec. 31, 2022	$ 1,638,068		$ 340	$ 0	$ 327,872		$ (58,802)	$ 1,368,658