Condensed Statements of Cash Flows (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Operating Activities    
Net income $ 92.9 $ 153.9
Adjustments to reconcile net income to net cash and cash equivalents provided by (used for) operating activities:    
Earnings of non-consolidated affiliates (1.4) (2.4)
Gains on disposition of property, plant and equipment (0.6) (1.1)
Stock-based compensation 3.5 6.4
Depreciation and amortization 104.3 101.2
Deferred income taxes 17.9 27.9
Qualified pension plan contributions (0.6) (0.7)
Qualified pension plan income (21.4) (18.1)
Change in:    
Receivables (46.7) (44.8)
Income taxes receivable/payable (10.2) (2.6)
Inventories (12.3) 11.6
Other current assets 0.9 2.4
Accounts payable and accrued liabilities (12.0) 16.1
Other assets 5.1 2.5
Other noncurrent liabilities (20.0) (10.6)
Other operating activities 0.1 0
Net operating activities 99.5 241.7
Investing Activities    
Capital expenditures (49.7) (70.4)
Proceeds from sale/leaseback of equipment 0 35.8
Proceeds from disposition of property, plant and equipment 4.0 4.3
Distributions from affiliated companies, net 0 0.9
Restricted cash activity 2.2 5.3
Other investing activities (0.5) (1.8)
Net investing activities (44.0) (25.9)
Long-term debt:    
Borrowings 150.0 0
Repayments (149.2) (11.4)
Earn out payment - SunBelt (14.8) (17.1)
Common stock repurchased and retired (44.7) (28.8)
Stock options exercised 6.5 6.8
Excess tax benefits from stock-based compensation 1.1 1.4
Dividends paid (47.4) (48.1)
Deferred debt issuance costs (1.2) 0
Net financing activities (99.7) (97.2)
Net (decrease) increase in cash and cash equivalents (44.2) 118.6
Cash and cash equivalents, beginning of period 307.8 165.2
Cash and cash equivalents, end of period 263.6 283.8
Cash paid for interest and income taxes:    
Interest 30.8 31.3
Income taxes, net of refunds 42.7 43.1
Non-cash investing activities:    
Capital expenditures included in accounts payable and accrued liabilities $ 3.6 $ 11.1