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STOCKHOLDERS’ EQUITY (Tables)
 3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Components of Stock-Based Compensation Expenses
The following table summarizes the components of stock-based compensation expense recognized in the Company’s condensed consolidated statements of income for the periods indicated:
Three Months Ended
March 31,
20242023
Cost of revenues (exclusive of depreciation and amortization)$22,357 $16,011 
Selling, general and administrative expenses22,434 22,568 
Total$44,791 $38,579 
Schedule of Stock Options Activity
Stock option activity under the Company’s plans is set forth below:
 Number of
Options 		Weighted Average
Exercise Price 		Aggregate
Intrinsic Value 		Weighted Average
Remaining Contractual Term (in years)
Options outstanding at January 1, 2024
1,629 $125.88 
Options granted79 $298.85 
Options exercised(370)$41.25 
Options forfeited(2)$313.86 
Options expired(1)$455.47 
Options outstanding at March 31, 2024
1,335 $159.00 $172,730 4.3
Options vested and exercisable as of March 31, 2024
1,080 $124.97 $171,999 3.2
Options expected to vest as of March 31, 2024
239 $303.14 $689 8.7
Schedule of Service-Based Awards Activity
The table below summarizes activity related to the Company’s equity-classified and liability-classified service-based awards for the three months ended March 31, 2024:
Equity-Classified
Equity-Settled
Restricted Stock Units
Liability-Classified
Cash-Settled
Restricted Stock Units
 
Number of
Shares 
Weighted Average Grant Date
Fair Value Per Share 
Number of
Shares 
Weighted Average Grant Date
Fair Value Per Share 
Unvested service-based awards outstanding at January 1, 2024
1,074 $292.45 98 $287.36 
Awards granted488 $298.16 34 $298.89 
Awards modified1 $366.27 (1)$114.30 
Awards vested(259)$281.75 (36)$270.45 
Awards forfeited/cancelled(17)$303.84 (1)$284.41 
Unvested service-based awards outstanding at March 31, 2024
1,287 $296.66 94 $299.53 
Schedule of Performance-Based Awards Activity
The table below summarizes activity related to the Company’s equity-classified performance-based restricted stock unit awards (“PSUs”) for the three months ended March 31, 2024:
Equity-Classified
Equity-Settled
Restricted Stock Units
 
Number of
Shares 
Weighted Average Grant Date
Fair Value Per Share 
Unvested performance-based awards outstanding at January 1, 2024
13 $441.87 
Awards granted32 $336.55 
Awards vested(2)$593.58 
Unvested performance-based awards outstanding at March 31, 2024
43 $355.02 
Schedule of Class of Treasury Stock
Share repurchase activity during the three months ended March 31, 2024 and 2023 was as follows:
Three Months Ended March 31,
20242023
Number of shares of common stock repurchased396 30 
Total cost of repurchases$120,593 $8,510