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Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Revenues: |  |  |
Services | $ 314,306 | $ 398,682 | $ 490,078
Products | 157,332 | 148,073 | 90,684
Total revenues | 471,638 | 546,755 | 580,762
Contract costs: |  |  |
Services | 295,223 | 368,540 | 466,481
Products | 129,027 | 122,146 | 72,991
Total contract costs | 424,250 | 490,686 | 539,472
Selling, general and administrative expenses | 3,285 | 3,968 | 5,213
Impairment of intangible assets | 0 | 1,025 | 0
Operating income | 44,103 | 51,076 | 36,077
Interest expense, net | 5,789 | 7,224 | 3,685
Income from continuing operations before income taxes | 38,314 | 43,852 | 32,392
Provision for income taxes | 14,324 | 16,488 | 12,202
Income from continuing operations | 23,990 | 27,364 | 20,190
Loss from discontinued operations, net of tax | (1,138) | (6,070) | 362
Net income | $ 22,852 | $ 21,294 | $ 20,552
Basic earnings per share: |  |  |
Income from continuing operations (in dollars per share) | $ 4.50 | $ 5.18 | $ 3.86
Loss from discontinued operations (in dollars per share) | $ (0.21) | $ (1.15) | $ 0.07
Net income (in dollars per share) | $ 4.29 | $ 4.03 | $ 3.93
Basic weighted average shares outstanding (in shares) | 5,329,208 | 5,282,047 | 5,232,055
Diluted earnings per share: |  |  |
Income from continuing operations (in dollars per share) | $ 4.49 | $ 5.15 | $ 3.83
Loss from discontinued operations (in dollars per share) | $ (0.21) | $ (1.14) | $ 0.07
Net income (in dollars per share) | $ 4.28 | $ 4.01 | $ 3.90
Diluted weighted average shares outstanding (in shares) | 5,343,267 | 5,309,862 | 5,267,857
Dividends declared per share (in dollars per share) | $ 0.35 | $ 0.31 | $ 0.27

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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6386349&loc=d3e3636-108311 + Details
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + 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 (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256 + Details
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + 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 (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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- Definition Total loss recognized during the period from the impairment of the carrying amount of intangible assets, other than goodwill. excluding impairment amounts included in discontinued operations. + References No definition available. + Details
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