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Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2013
Business Combinations [Abstract] |
Unaudited Pro Forma Results of Operations | The following unaudited pro forma consolidated results of operations for 2011 assume that the acquisition of Mode was completed as of January 1, 2011 (in thousands, except for per share amounts)
|  | Twelve Months Ended, December 31, 2011 |
Revenue |  | $ | 2,929,813 |
Net Income |  | $ | 58,991 |
Earnings per share—basic |  | $ | 1.60 |
Earnings per share—diluted |  | $ | 1.59 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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