CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Restricted stock units and awards	Performance Share Units	Common Stock	Common Stock Restricted stock units and awards	Common Stock Performance Share Units	Treasury Shares	Additional Paid-In Capital	Additional Paid-In Capital Restricted stock units and awards	Additional Paid-In Capital Performance Share Units	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Common stock, beginning balance (in shares) at Dec. 31, 2022				136,295
Treasury stock, beginning balance (in shares) at Dec. 31, 2022							86,115
Beginning balance at Dec. 31, 2022	$ 713,452			$ 1,363			$ (824,778)	$ 799,147			$ 734,116	$ 3,604
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	100,023										100,023
Other comprehensive income (loss)	324											324
Share repurchases (in shares)							975
Share repurchases	(48,528)						$ (48,528)
Indirect repurchase of shares for minimum tax withholding (in shares)							169
Indirect repurchase of shares for minimum tax withholding	(8,224)						$ (8,224)
Restricted stock units and awards and performance share units (in shares)					144	244
Restricted stock units and awards and performance share units		$ 0	$ 0		$ 1	$ 2			$ (1)	$ (2)
Stock options exercised (in shares)				221
Stock options exercised	4,252			$ 3				4,249
Stock-based compensation	6,619							6,619
Business acquisitions (in shares)				177
Business acquisitions	8,296			$ 2				8,294
Excise tax on share repurchases	(171)						$ (558)	387
Common stock, ending balance (in shares) at Jun. 30, 2023				137,081
Treasury stock, ending balance (in shares) at Jun. 30, 2023							87,259
Ending balance at Jun. 30, 2023	776,043			$ 1,371			$ (882,088)	818,693			834,139	3,928
Common stock, beginning balance (in shares) at Mar. 31, 2023				137,024
Treasury stock, beginning balance (in shares) at Mar. 31, 2023							86,712
Beginning balance at Mar. 31, 2023	771,930			$ 1,370			$ (853,793)	814,686			807,276	2,391
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	26,863										26,863
Other comprehensive income (loss)	1,537											1,537
Share repurchases (in shares)							547
Share repurchases	(27,737)						$ (27,737)
Restricted stock units and awards and performance share units (in shares)					21
Stock options exercised (in shares)				32
Stock options exercised	623			$ 1				622
Stock-based compensation	2,788							2,788
Business acquisitions (in shares)				4
Business acquisitions	210							210
Excise tax on share repurchases	(171)						$ (558)	387
Common stock, ending balance (in shares) at Jun. 30, 2023				137,081
Treasury stock, ending balance (in shares) at Jun. 30, 2023							87,259
Ending balance at Jun. 30, 2023	776,043			$ 1,371			$ (882,088)	818,693			834,139	3,928
Common stock, beginning balance (in shares) at Dec. 31, 2023				137,387
Treasury stock, beginning balance (in shares) at Dec. 31, 2023							87,573
Beginning balance at Dec. 31, 2023	791,618			$ 1,374			$ (899,093)	832,475			855,084	1,778
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	96,677										96,677
Other comprehensive income (loss)	876											876
Indirect repurchase of shares for minimum tax withholding (in shares)							170
Indirect repurchase of shares for minimum tax withholding	(11,229)						$ (11,229)
Restricted stock units and awards and performance share units (in shares)					118	273
Restricted stock units and awards and performance share units		$ 0	$ 0		$ 1	$ 3			$ (1)	$ (3)
Stock-based compensation	5,016							5,016
Business acquisitions (in shares)				127
Business acquisitions	8,476			$ 1				8,475
Common stock, ending balance (in shares) at Jun. 30, 2024				137,905
Treasury stock, ending balance (in shares) at Jun. 30, 2024							87,743
Ending balance at Jun. 30, 2024	891,434			$ 1,379			$ (910,322)	845,962			951,761	2,654
Common stock, beginning balance (in shares) at Mar. 31, 2024				137,855
Treasury stock, beginning balance (in shares) at Mar. 31, 2024							87,743
Beginning balance at Mar. 31, 2024	867,089			$ 1,379			$ (910,322)	841,268			931,968	2,796
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,793										19,793
Other comprehensive income (loss)	(142)											(142)
Restricted stock units and awards and performance share units (in shares)					16
Stock-based compensation	2,378							2,378
Business acquisitions (in shares)				34
Business acquisitions	2,316							2,316
Common stock, ending balance (in shares) at Jun. 30, 2024				137,905
Treasury stock, ending balance (in shares) at Jun. 30, 2024							87,743
Ending balance at Jun. 30, 2024	$ 891,434			$ 1,379			$ (910,322)	$ 845,962			$ 951,761	$ 2,654