CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Cash flows from operating activities:    
Net earnings $ 60.6 $ 50.2
Adjustments to reconcile net earnings to net cash flows provided by operating activities:    
Depreciation, depletion and amortization 19.1 18.4
Finance fee amortization 0.3 0.3
Stock-based compensation 1.6 1.2
Deferred income taxes 4.5 3.0
Other, net 1.1 (1.6)
Insurance advances for operating purposes, Goderich tornado 0 5.0
Changes in operating assets and liabilities:    
Receivables 65.0 47.2
Inventories 42.4 85.0
Other assets (3.1) 3.3
Accounts payable and accrued expenses (70.0) (51.0)
Other liabilities 0.9 (0.3)
Net cash provided by operating activities 122.4 160.7
Cash flows from investing activities:    
Capital expenditures (41.7) (25.0)
Insurance advances for investment purposes, Goderich tornado 0 8.7
Other, net 0 2.9
Net cash used in investing activities (41.7) (13.4)
Cash flows from financing activities:    
Principal payments on long-term debt (0.9) (0.9)
Dividends paid (22.4) (20.2)
Proceeds received from stock option exercises 2.1 2.1
Excess tax benefit (deficiency) from equity compensation awards 0.1 (0.2)
Net cash used in financing activities (21.1) (19.2)
Effect of exchange rate changes on cash and cash equivalents (12.6) (4.3)
Net change in cash and cash equivalents 47.0 123.8
Cash and cash equivalents, beginning of the year 266.8 159.6
Cash and cash equivalents, end of period 313.8 283.4
Supplemental cash flow information:    
Interest paid, net of amounts capitalized 8.9 2.0
Income taxes paid, net of refunds $ 48.9 $ 12.5