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SHAREHOLDERS' EQUITY	9 Months Ended
	Sep. 30, 2018
Stockholders' Equity Note [Abstract]
SHAREHOLDERS’ EQUITY	SHAREHOLDERS’ EQUITY We make repurchases of our common stock mainly through open market repurchase plans and, at times, through accelerated share repurchase programs. As of September 30, 2018, we were authorized to repurchase up to $419.1 million of our common stock. During the nine months ended September 30, 2018, through open market repurchase plans, we repurchased and retired 1,612,174 shares of our common stock, respectively, at a cost of $180.9 million, or an average cost of $112.19 per share, including commissions. During the three and nine months ended September 30, 2017, through open market repurchase plans, we repurchased and retired 311,593 and 376,309 shares of our common stock at a cost of $29.0 million and $34.8 million, or an average cost of $93.09 and $92.51 per share, including commissions. On October 26, 2018, our board of directors declared a dividend of $0.01 per share payable on December 28, 2018 to common shareholders of record as of December 14, 2018.

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- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://asc.fasb.org/topic&trid=2208762

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