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Results of Operations for Beecher (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Weighted average number of shares outstanding: |  |  |  |
Basic | 140,836 | 139,086 | 140,816 | 139,044
Diluted | 143,021 | 141,828 | 142,938 | 141,664
Beecher [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Total revenues | $ 354,873 |  | $ 718,966 |
Income before income taxes | 90,152 |  | 193,575 |
Net income | $ 54,382 |  | $ 116,887 |
Net income per share: |  |  |  |
Basic | $ 0.38 |  | $ 0.81 |
Diluted | $ 0.37 |  | $ 0.80 |
Weighted average number of shares outstanding: |  |  |  |
Basic | 140,836 |  | 140,816 |
Diluted | 143,021 |  | 142,938 |

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- Definition The pro forma income from continuing operations before changes in accounting and extraordinary items, net of tax effect per basic share of common stock for a period as if the business combination or combinations had been completed at the beginning of a period. + 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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