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Subsequent Events | 12 Months Ended
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Dec. 31, 2017
Subsequent Events [Abstract] |
Subsequent Events | Subsequent Events The Company’s Board of Directors authorized a share repurchase program in January 2018 authorizing the Company to repurchase up to 3.4 million shares of its common stock, and this authorization has no expiry. As of the January 2018 authorization, there were a total of 5.0 million shares remaining available for repurchase under the Company’s repurchase programs. As of February 21, 2018, the Company had repurchased 0.7 million shares of common stock, at an average share price of $193.18

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 + Details
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