Shareholders' equity	3 Months Ended
Mar. 31, 2020
Stockholders' Equity Note [Abstract]
Shareholders' equity	In October 2018, our board of directors authorized the repurchase of up to $500,000 of our common stock. This authorization has no expiration date. During the quarter ended March 31, 2020, we repurchased 499 thousand shares for $14,000. As of March 31, 2020, $287,452 remained available for repurchase under the authorization.

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.

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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