Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Current Assets:
Cash and cash equivalents	$ 73,597	$ 42,437	$ 57,241
Accounts receivable, net	523,928	245,421	331,030
Inventories, net	475,293	347,307	350,438
Current deferred income tax benefits	90,136	74,821	77,005
Other current assets	49,844	45,380	29,955
Total Current Assets	1,212,798	755,366	845,669
Property, plant and equipment	5,624,761	3,976,884	3,942,138
Allowances for depreciation, depletion and amortization	(2,246,810)	(2,177,643)	(2,159,520)
Net property, plant and equipment	3,377,951	1,799,241	1,782,618
Goodwill	2,043,320	616,621	616,634
Operating permits, net	501,734	17,041	17,199
Other intangibles, net	97,488	31,550	31,836
Real estate and other investments	63,766	9,785	10,094
Other noncurrent assets	41,801	30,222	33,055
Total Assets	7,338,858	3,259,826	3,337,105
Current Liabilities:
Bank overdraft		2,556	10,437
Accounts payable	230,206	103,600	111,266
Accrued salaries, benefits and payroll taxes	54,062	18,114	20,655
Pension and postretirement benefits	7,351	2,026	1,992
Accrued insurance and other taxes	70,653	29,103	34,444
Current maturities of long-term debt and short-term facilities	14,331	12,403	6,169
Other current liabilities	60,395	42,747	41,469
Total Current Liabilities	436,998	210,549	226,432
Long-term debt	1,603,944	1,018,518	1,107,192
Pension, postretirement and postemployment benefits	144,077	78,489	171,695
Noncurrent deferred income taxes	633,951	279,999	243,858
Other noncurrent liabilities	144,275	97,352	89,045
Total Liabilities	2,963,245	1,684,907	1,838,222
Equity:
Common stock, par value $0.01 per share	671	461	461
Preferred stock, par value $0.01 per share
Additional paid-in capital	3,239,709	432,792	431,122
Accumulated other comprehensive loss	(43,281)	(44,114)	(102,710)
Retained earnings	1,176,121	1,148,738	1,131,276
Total Shareholders' Equity	4,373,220	1,537,877	1,460,149
Noncontrolling interests	2,393	37,042	38,734
Total Equity	4,375,613	1,574,919	1,498,883
Total Liabilities and Equity	$ 7,338,858	$ 3,259,826	$ 3,337,105