CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 193,738	$ 275,478
Accounts and notes receivable
Customers, less allowance for doubtful accounts 2013 — $4,854; 2012 — $6,198	323,369	277,539
Other	16,252	19,441
Inventories	344,606	335,022
Current deferred income taxes	40,423	40,696
Prepaid expenses	22,549	21,713
Assets held for sale	10,559	15,083
Total current assets	951,496	984,972
Investments and long-term receivables	42,387	42,081
Property, plant & equipment, net	3,312,017	3,159,185
Goodwill	3,081,521	3,086,716
Other intangible assets, net	697,578	692,532
Other noncurrent assets	174,144	161,113
Total assets	8,259,143	8,126,599
Liabilities
Current maturities of long-term debt	170	150,602
Trade payables and accruals	139,345	113,337
Accrued salaries, wages and management incentives	72,675	62,695
Accrued interest	10,954	11,424
Other accrued liabilities	75,991	97,552
Liabilities of assets held for sale	0	801
Total current liabilities	299,135	436,411
Long-term debt	2,522,243	2,526,401
Noncurrent deferred income taxes	701,075	657,367
Deferred management incentive and other compensation	23,657	21,756
Pension benefits	146,734	303,036
Other postretirement benefits	83,457	103,134
Asset retirement obligations	228,234	150,072
Deferred revenue	219,743	73,583
Other noncurrent liabilities	96,759	93,777
Total liabilities	4,321,037	4,365,537
Other commitments and contingencies (Note 12)
Equity
Common stock, $1 par value, Authorized 480,000 shares, Issued 130,200 and 129,721 shares, respectively	130,200	129,721
Capital in excess of par value	2,611,703	2,580,209
Retained earnings	1,295,834	1,276,649
Accumulated other comprehensive loss	(99,631)	(225,517)
Total equity	3,938,106	3,761,062
Total liabilities and equity	$ 8,259,143	$ 8,126,599