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STOCKHOLDERS' EQUITY - Schedule of Common Stock (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued, beginning balance (in shares)	66,456,663	69,065,491	70,596,559
Shares outstanding, beginning balance (in shares)	66,456,663	69,065,491	70,596,559
Issuance of common stock from exercise of stock options (in shares)	73,118
Shares issued under ESPP (in shares)	136,861	236,887	207,324
Repurchase of common stock (in shares)	(1,161,909)	(3,307,074)	(2,510,376)
Awards effectively repurchased for required employee withholding taxes (in shares)	(285,390)	(279,356)	(451,639)
Shares outstanding, ending balance (in shares)	65,968,224	66,456,663	69,065,491
Shares issued, ending balance (in shares)	65,968,224	66,456,663	69,065,491
Restricted Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from vested restricted stock units (in shares)	748,881	659,689	1,036,119
Equity Option
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options (in shares)	73,118	81,026	187,504
Employee Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under ESPP (in shares)	136,861	236,887	207,324

X

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Number of share options (or share units) exercised during the current period.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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