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Capital Stock | 12 Months Ended
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Dec. 31, 2017
Capital Stock [Abstract] |
Capital Stock | (11) Capital Stock In February 2015, the Company’s Board of Directors authorized the repurchases of up to $500,000 in common stock. Purchases of the Company’s common stock may be made from time to time, subject to market conditions, and may be made in the open market or through privately negotiated transactions. The Company has no obligation to repurchase shares under the authorization and the time, actual number, and the value of the shares which are repurchased will depend on a number of factors, includ ing the price of the Company’s common stock. In 2017, the Company repurchased 1,584 shares at an average price of $94.7 4. The total cost of these repurchases, including transaction costs, was $15 0,05 4. At December 31, 2017, $177,966 remained under the current authorizations.

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- Definition The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=2208821 + Details
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