Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Cash flows from operating activities:    
Net earnings $ 58.8 $ 105.1
Adjustments to reconcile net earnings to net cash flows provided by operating activities:    
Depreciation, depletion and amortization 47.2 48.8
Finance fee amortization 1.0 1.1
Early extinguishment and refinancing of long-term debt 2.8 0
Stock-based compensation 5.4 4.8
Deferred income taxes (2.0) 5.4
Other, net 1.0 4.7
Asset impairment charges, Goderich tornado 0 4.1
Insurance advances for operating purposes, Goderich tornado 16.3 0
Insurance receivable accrued, Goderich tornado 0 (2.2)
Insurance advances for investment purposes, Goderich tornado 0 (4.1)
Changes in operating assets and liabilities, net of acquisition:    
Receivables 52.0 67.0
Inventories (16.5) 18.3
Other assets (3.0) 4.3
Accounts payable and accrued expenses (29.9) (58.1)
Other liabilities (0.9) 1.6
Net cash provided by operating activities 132.2 200.8
Cash flows from investing activities:    
Capital expenditures (98.9) (66.5)
Insurance advances for investment purposes, Goderich tornado 0 4.1
Acquistion of a business, net 0 (58.1)
Other, net (1.0) 0.7
Net cash used in investing activities (99.9) (119.8)
Cash flows from financing activities:    
Principal payments on long-term debt (386.7) (3.2)
Issuance of long-term debt 387.0 0
Fees paid to refinance long-term debt (1.8) 0
Deferred financing costs (2.2) 0
Dividends paid (49.7) (45.1)
Proceeds received from stock option exercises 1.6 1.9
Excess tax benefits from equity compensation awards 0.9 1.9
Net cash used in financing activities (50.9) (44.5)
Effect of exchange rate changes on cash and cash equivalents 4.7 (4.2)
Net change in cash and cash equivalents (13.9) 32.3
Cash and cash equivalents, beginning of the year 130.3 91.1
Cash and cash equivalents, end of period 116.4 123.4
Supplemental cash flow information:    
Interest paid, net of amounts capitalized 11.4 13.1
Income taxes paid, net of refunds 30.4 42.4
In connection with the January 2011 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 0 (58.1)
Liabilities assumed   $ 1.9
[1] The Company recorded $11.1 million of deferred tax liabilities and acquired cash of $2.4 million.