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Earnings per Share | 6 Months Ended
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Jun. 30, 2017
Earnings per Share [Abstract] |
Earnings per Share | Note H – Earnings per Share ﻿ Net income (loss) was used as the numerator in computing both basic and diluted income per Common share for the three-month and six-month periods ended June 30, 201 7 and 201 6. The following table reconciles the weighted-average shares outstanding used for these computations. ﻿
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﻿ | Three Months Ended |  | Six Months Ended
﻿ | June 30, |  | June 30,
﻿(Weighted-average shares) | 2017 |  | 2016 |  | 2017 |  | 2016
﻿Basic method | 172,557,978 |  | 172,196,914 |  | 172,482,223 |  | 172,149,791
﻿Dilutive stock options and restricted stock units* | – |  | 602,913 |  | 534,441 |  | –
﻿ Diluted method | 172,557,978 |  | 172,799,827 |  | 173,016,664 |  | 172,149,791
﻿ ﻿ *Due to net loss es recogn ized by the Company for the three-month period ended June 30, 2017 and for the six-month period ended June 30, 2016, no unvested stock awards were included in the computation of diluted earnings per share because the effect would have been anti-dilutive. ﻿
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﻿ | Three Months Ended |  | Six Months Ended
﻿ |  | June 30, |  | June 30,
﻿ |  | 2017 |  | 2016 |  | 2017 |  | 2016
﻿Antidilutive stock options excluded from diluted shares |  | 5,578,634 |  |  | 5,084,395 |  |  | 4,903,084 |  |  | 5,799,268
﻿Weighted average price of these options | $ | 46.64 |  | $ | 54.22 |  | $ | 52.01 |  | $ | 50.17
﻿ ﻿

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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