Income Taxes (Deferred Tax Assets And Deferred Tax Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Income Tax Disclosure [Abstract]
Accounts receivable	$ 17,346		$ 12,289
Inventories	50,423		38,801
Employee benefits	55,479		53,519
Accrued expenses and other	72,582		44,289
Deductible state tax and interest benefit	7,927		13,119
Intangibles	92,164		113,282
Federal, foreign and state net operating losses and credits	438,272		247,786
Gross deferred tax assets	734,193		523,085
Valuation allowance	(375,859)		(321,585)		(334,215)
Net deferred tax assets	358,334		201,500
Inventories	(11,140)		(8,106)
Plant and equipment	(413,989)		(277,324)
Intangibles	(208,159)		(128,433)
Other liabilities	(25,387)		(7,854)
Gross deferred tax liabilities	(658,675)		(421,717)
Net deferred tax liability	(300,341)	[1]	(220,217)	[1]
Non-current deferred tax assets	9,183		4,317
Current deferred tax liabilities	$ 11,235		$ 6,309

[1] This amount includes $9,183 and $4,317 of non-current deferred tax assets which are in deferred income taxes and other non-current assets and $11,235 and $6,309 current deferred tax liabilities which are included in accounts payable and accrued expenses in the consolidated balance sheets as of December 31, 2013 and 2012, respectively.