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Consolidated Statements of Cash Flows (Parenthetical) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 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 | $ 2,600,000
Capital expenditure accrual | 900,000 |
Increase in goodwill purchase price adjustment | 700,000 |
Issuance of equity awards to employees in grant | 2,700,000 | 1,500,000
Equity issued for acquisition |  | 27,500,000
Assets acquired, net of cash |  | 127,360,000
Liabilities assumed |  | $ 32,979,000

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