CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Millions | 9 Months Ended |
|---|
Sep. 30, 2011 | Sep. 30, 2010 |
|---|
| Cash flows from operating activities: | | | |
| Net earnings | $ 105.1 | | $ 89.5 |
| Adjustments to reconcile net earnings to net cash flows provided by operating activities: | | | |
| Depreciation, depletion and amortization | 48.8 | | 36.3 |
| Finance fee amortization | 1.1 | | 0.9 |
| Stock-based compensation | 4.8 | | 4.1 |
| Deferred income taxes | 5.4 | | 4.2 |
| Asset impairment charges, Goderich tornado | 4.1 | | 0 |
| Insurance receivable accrued, Goderich tornado | (2.2) | | 0 |
| Insurance advances for investment purposes, Goderich tornado | (4.1) | | 0 |
| Other, net | 4.7 | | 1.7 |
| Changes in operating assets and liabilities, net of acquisition: | | | |
| Receivables | 67.0 | | 69.6 |
| Inventories | 18.3 | | 31.3 |
| Other assets | 4.3 | | (0.8) |
| Accounts payable and accrued expenses | (58.1) | | (64.4) |
| Other liabilities | 1.6 | | (4.3) |
| Net cash provided by operating activities | 200.8 | | 168.1 |
| Cash flows from investing activities: | | | |
| Capital expenditures | (66.5) | | (77.1) |
| Insurance advances for investment purposes, Goderich tornado | 4.1 | | 0 |
| Acquisition of a business, net | (58.1) | | 0 |
| Other, net | 0.7 | | (1.0) |
| Net cash used in investing activities | (119.8) | | (78.1) |
| Cash flows from financing activities: | | | |
| Principal payments on long-term debt | (3.2) | | (2.9) |
| Dividends paid | (45.1) | | (39.0) |
| Proceeds received from stock option exercises | 1.9 | | 3.0 |
| Excess tax benefits from equity compensation awards | 1.9 | | 2.6 |
| Net cash used in financing activities | (44.5) | | (36.3) |
| Effect of exchange rate changes on cash and cash equivalents | (4.2) | | 1.7 |
| Net change in cash and cash equivalents | 32.3 | | 55.4 |
| Cash and cash equivalents, beginning of the year | 91.1 | | 13.5 |
| Cash and cash equivalents, end of period | 123.4 | | 68.9 |
| Supplemental cash flow information: | | | |
| Interest paid, net of amounts capitalized | 13.1 | | 14.4 |
| Income taxes paid, net of refunds | 42.4 | | 53.1 |
| In connection with the acquisition of Big Quill Resources, Inc., the Company assumed liabilities as follows (in millions): | | | |
| Cash paid during the nine months ended September 30, 2011 | (58.1) | | 0 |
Big Quill Resources, Inc. [Member] | | | |
| Cash flows from investing activities: | | | |
| Acquisition of a business, net | (58.1) | | |
| In connection with the acquisition of Big Quill Resources, Inc., the Company assumed liabilities as follows (in millions): | | | |
| Fair value of assets acquired, net of deferred tax liabilities and cash acquired | 60.0 | [1] | |
| Cash paid during the nine months ended September 30, 2011 | (58.1) | | |
| Liabilities assumed | $ 1.9 | | |
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