Condensed Consolidated Statements of Cash Flows (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities
Net income	$ 31.4	$ 32.4
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	97.2	81.5
Loss on extinguishment of debt	0	10.4
Provision for loss on receivables	6.7	8.0
Impairment loss	1.6	0
Noncash portion of interest expense	3.7	2.8
Deferred income tax provision	24.6	26.4
Pension and other postretirement benefits	(12.1)	(1.0)
Other, net	0.4	0.4
Changes in operating assets and liabilities, net of effects of acquisitions
Increase in receivables	(2.6)	(4.5)
(Increase) decrease in inventory, materials, supplies, prepaids and other current assets	(2.8)	12.2
Decrease in accounts payable	(16.4)	(18.9)
Decrease in accrued and other current liabilities	(7.6)	(18.9)
Increase in other noncurrent assets	(0.4)	(2.8)
Decrease in other noncurrent liabilities	(5.8)	(2.6)
Net cash provided by operating activities	117.9	125.4
Cash flows from investing activities
Capital expenditures	(92.5)	(58.2)
Acquisitions, net of cash acquired	0	(525.0)
Other, net	(0.2)	0.4
Net cash used in investing activities	(92.7)	(582.8)
Cash flows from financing activities
Proceeds from issuance of long-term debt	0	1,351.3
Increase (decrease) in corporate credit and receivables facilities	0.4	(75.9)
Repayment of debt	(6.2)	(785.1)
Debt Issuance costs	(0.8)	(32.7)
Dividends paid on preferred stock	(5.2)	(5.2)
Other, net	(0.6)	(0.9)
Net cash (used in) provided by financing activities	(12.4)	451.5
Net increase (decrease) in cash and cash equivalents	12.8	(5.9)
Cash and cash equivalents at beginning of year	77.3	23.0
Cash and cash equivalents at end of period	90.1	17.1
Noncash investing and financing transactions:
Acquisition of property by assuming debt and other noncurrent liabilities	23.6	16.7
Acquisition of property on account	$ 13.5	$ 16.2