Unaudited Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Cash provided by operating activities:
Net income	$ 124.9	$ 142.8
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation, amortization, depletion and accretion	228.8	233.4
Non-cash interest expense	11.8	17.2
Restructuring related charges	4.9	0
Stock-based compensation	7.7	8.0
Deferred tax (benefit) provision	(17.6)	2.9
Provision for doubtful accounts, net of adjustments	2.9	7.2
Loss on extinguishment of debt	1.8	0
Gain on disposition of assets, net and asset impairments	(3.1)	(7.8)
Withdrawal liability - Central States Pension Fund	57.9	0
Environmental adjustments	5.8	(8.5)
Excess income tax benefit from stock option exercises and other non-cash items	(0.1)	(0.3)
Change in assets and liabilities, net of effects from business acquisitions and divestitures:
Accounts receivable	18.8	10.5
Prepaid expenses and other assets	(4.3)	(11.5)
Accounts payable	(11.9)	(44.1)
Restructuring and synergy related expenditures	(7.2)	(68.1)
Capping, closure and post-closure expenditures	(26.7)	(11.8)
Remediation expenditures	(18.9)	(13.6)
Other liabilities	44.3	77.9
Cash provided by operating activities	419.8	334.2
Cash used in investing activities:
Purchases of property and equipment	(214.8)	(274.2)
Proceeds from sales of property and equipment	3.2	4.8
Cash used in business acquisitions and development projects, net of cash acquired	(10.2)	(19.7)
Cash proceeds from divestitures, net of cash divested	1.0	9.5
Change in restricted cash and marketable securities	(0.1)	37.4
Other	(0.8)	(0.1)
Cash used in investing activities	(221.7)	(242.3)
Cash used in financing activities:
Proceeds from notes payable and long-term debt	702.9	564.3
Payments of notes payable and long-term debt	(745.5)	(586.7)
Fees paid to issue tax-exempt financings	(1.2)	0
Issuances of common stock	59.9	27.0
Excess income tax benefit from stock option exercises	0.4	1.1
Purchases of common stock for treasury	(67.2)	(9.0)
Cash dividends paid	(84.9)	(81.4)
Cash used in financing activities	(135.6)	(84.7)
Increase in cash and cash equivalents	62.5	7.2
Cash and cash equivalents at beginning of period	67.6	66.3
Cash and cash equivalents at end of period	$ 130.1	$ 73.5

The amount of cash paid during the reporting period for charges associated with the consolidation and relocation of operations. These charges may be incurred in connection with a business combination, change in strategic plan, a managerial response to declines in demand, increasing costs or other environmental factors as well as costs to achieve synergies as a result of our acquisition of Allied.

No definition available.