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Shareholders' Equity | 12 Months Ended
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Dec. 31, 2018
Equity [Abstract] |
Shareholders' Equity | Shareholders’ Equity On July 18, 2014, the Company’s Board of Directors authorized the repurchase of up to $200.0 million of its shares of common stock, and on July 20, 2015, the Company’s Board of Directors authorized the repurchase of up to an additional $400.0 million of the Company’s outstanding common stock. Under the authorization from the Company’s Board of Directors, shares may be purchased from time to time, at the Company’s discretion and subject to the availability of stock, market conditions, the trading price of the stock, alternative uses for capital, the Company’s financial performance and other potential factors. These purchases may be carried out through open market purchases, block trades, accelerated share repurchase plans of up to $100.0 million each (unless otherwise approved by the Board of Directors), negotiated private transactions or pursuant to any trading plan that may be adopted in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934. On March 28, 2018, we effected a 2-for-1 stock split (the “Stock Split”). As a result of the Stock Split, every share of common stock outstanding as of close of business on March 14, 2018 received an additional share of common stock, increasing the number of outstanding shares of common stock from approximately 138 million shares to approximately 276 million shares. The number of authorized shares of our common stock increased from 280 million shares to 560 million shares. No fractional shares were issued in connection with the Stock Split. Par value of the Company’s common stock was unchanged as a result of the Stock Split remaining at $0.10 per share. The number of shares of common stock reserved or subject to outstanding grants, the exercise or purchase prices applicable to such outstanding grants and subscriptions, and certain grant limitations under our 1990 Employee Stock Purchase Plan, Performance Stock Plan and 2010 Stock Incentive Plan were adjusted as a result of the Stock Split, as required under the terms of those plans. Treasury shares were not adjusted for the Stock Split. All other shares and per share data included within this Annual Report on Form 10-K, including our Consolidated Financial Statements and related footnotes, have been adjusted to account for the effect of the Stock Split. On December 12, 2018, the Company entered into accelerated share repurchase agreement ("ASR") with an investment bank to purchase an aggregate $100.0 million of the Company’s common stock. As part of the ASR, the Company received an initial share delivery of 2,910,150 shares of the Company’s common stock with a fair market value of $80.0 million. Upon maturity of the program, the Company will receive the remaining balance of $20.0 million at settlement. During 2014, the Company repurchased 2,384,760 shares at an average price per share of $31.46 for a total cost of $75.0 million under the original share repurchase authorization from the Board of Directors on July 18, 2014. During 2015, the Company repurchased 5,408,819 shares at an average price per share of $32.35 for a total cost of $175.0 million under the current share repurchase authorization, while exhausting the previous authorization of $200.0 million from the Board of Directors in 2014. During 2016, the Company repurchased 209,618 shares at an average price per share of $36.53 for a total cost of $7.7 million under the current share repurchase authorization. During 2017, the Company repurchased 2,883,349 shares at an average price of $48.51 for a total cost of $139.9 million under the current share repurchase authorization. At December 31, 2018, the remaining amount authorized by our Board of Directors for share repurchases was $147.5 million. Under the authorized repurchase programs, the Company has repurchased a total of approximately 13.8 million shares for an aggregate cost of approximately $477.5 million between 2014 and 2017. The aforementioned share amounts have not been adjusted for the March 28, 2018 Stock Split, as treasury shares did not participate in this stock split transaction.

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