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STOCKHOLDERS' EQUITY.	12 Months Ended
	Dec. 31, 2017
Stockholders' Equity Note [Abstract]
STOCKHOLDERS’ EQUITY	STOCKHOLDERS' EQUITY. SHARE REPURCHASES. The Board of Directors has authorized the future repurchase of up to 15,183,779 common shares as of December 31, 2017. DIVIDENDS. Regular cash dividends declared per share were $2.08 in 2015, $2.16 in 2016, and $2.28 in 2017. A $2.00 per share special dividend was also declared and paid during 2015. RESTRICTED CAPITAL. Our consolidated stockholders' equity at December 31, 2017, includes about $142 million that is restricted as to use by various regulations and agreements arising in the ordinary course of our business.

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://asc.fasb.org/topic&trid=2208762

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