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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share |
Earnings per share |
Year ended December 31, | 2014 |  | 2013 |  | 2012
(Dollars and shares in thousands, except earnings per share) |  |  |  |  |
Net income (loss) attributable to U.S. Cellular shareholders | $ | (42,812) |  | $ | 140,038 |  | $ | 111,006
Weighted average number of shares used in basic earnings (loss) per share |  | 84,213 |  |  | 83,968 |  |  | 84,645
Effect of dilutive securities: |  |  |  |  |  |  |  |
| Stock options (1) |  | - |  |  | 211 |  |  | 184
| Restricted stock units (1) |  | - |  |  | 551 |  |  | 401
Weighted average number of shares used in diluted earnings (loss) per share |  | 84,213 |  |  | 84,730 |  |  | 85,230
Basic earnings (loss) per share attributable to U.S. Cellular shareholders | $ | (0.51) |  | $ | 1.67 |  | $ | 1.31
Diluted earnings (loss) per share attributable to U.S. Cellular shareholders | $ | (0.51) |  | $ | 1.65 |  | $ | 1.30
(1) There were no effects of dilutive securities for the year ended December 31, 2014 due to the net loss for the year.
Summary of antidilutive shares |
Year Ended December 31, | 2014 |  | 2013 |  | 2012
(Shares in thousands) |  |  |  |  |
Stock options | 3,279 |  | 2,010 |  | 2,123
Restricted stock units | 1,186 |  | 190 |  | 369

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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