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Supplementary Balance Sheet Detail (Tables)

12 Months Ended

Dec. 31, 2014

Balance Sheet Related Disclosures [Abstract]

Schedule Of Amounts Recognized In Balance Sheet



	At December 31,
	2013				2014
	(Dollars in thousands)

Inventories:
Raw materials and supplies	$	175,192			$	122,218
Work in process	239,114				176,141
Finished goods	76,108				84,544
	490,414				382,903
Prepaid expenses and other current assets:
Prepaid expenses	$	9,554			$	9,923
Current portion of deferred taxes	37,058				28,426
Value added tax and other indirect taxes receivable	25,061				39,837
Other current assets	2,117				3,437
	$	73,790			$	81,623
Property, plant and equipment:
Land and improvements	$	37,416			$	36,375
Buildings	196,802				193,427
Machinery and equipment and other	1,278,655				1,212,120
Construction in progress	76,007				58,899
	$	1,588,880			$	1,500,821
Other accrued liabilities:
Payrolls (including incentive programs)	$	9,330			$	6,151
Customer prepayments	9,599				5,534
Employee compensation and benefits	10,136				8,932
Other	11,874				22,702
	$	40,939			$	43,319
Other long term obligations:
Postretirement benefits	$	24,852			$	24,833
Pension and related benefits	54,173				65,882
Other	18,922				16,851
	$	97,947			$	107,566

Schedule Of Analysis Of The Allowance For Doubtful Accounts



	At December 31,
	2012				2013				2014
	(Dollars in thousands)
Balance at beginning of year	$	4,153			$	7,573			$	6,718
Additions	5,161				2,914				8,675
Deductions	(1,741		)		(3,769		)		(7,922		)
Balance at end of year	$	7,573			$	6,718			$	7,471

Schedule Of Inventory Reserves

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