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Consolidated Statements of Cash Flows (Parenthetical) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
Supplemental Schedule of Noncash Investing and Financing Activities: |  |  |  |
Cash dividends declared (in dollars per share) | $ 0.0375 | $ 0.0375 |  |
Cash dividends declared, but not yet paid | $ 2,700,000 | $ 2,700,000 | $ 2,700,000 | $ 2,700,000
Promissory notes issued for acquisition | 7,200,000 | 8,300,000 | 7,200,000 | 8,300,000
Common stock issued for acquisition |  | 27,500,000 |  | 27,500,000
Issuance of equity awards to employees in grant |  |  | 2,700,000 | 1,500,000
Assets acquired, net of cash |  |  | 140,725,000 | 203,979,000
Liabilities assumed |  |  | $ 69,859,000 | $ 49,603,000

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