Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 17,778	$ 25,107
Adjustments for noncash items:
Depreciation	34,470	32,139
Amortization of intangibles	4,047	388
Deferred income taxes	(2,828)	448
Accrued pension and postretirement benefits	6,258	1,861
Gain on investment accounted for under the fair value method	(9,000)
Loss on asset impairments and divestitures	1,942	798
Gain on disposal of assets	(303)	(1,205)
Changes in assets and liabilities, net of effects of acquisitions and divestitures:
Accounts and other receivables	1,652	(14,186)
Inventories	(6,319)	7,419
Income taxes recoverable/payable	4,122	(3,255)
Prepaid expenses and other	1,783	715
Accounts payable and accrued expenses	565	675
Other, net	(4,606)	(2,170)
Net cash provided by operating activities	49,561	48,734
Cash flows from investing activities:
Capital expenditures	(20,638)	(11,235)
Acquisition, net of cash acquired	(3,311)
Proceeds from the sale of assets and property disposals	1,141	1,622
Net cash used in investing activities	(22,808)	(9,613)
Cash flows from financing activities:
Debt principal payments and financing costs	(46,354)	(89)
Dividends paid	(4,817)	(4,319)
Proceeds from exercise of stock options	125	709
Net cash used in financing activities	(51,046)	(3,699)
Effect of exchange rate changes on cash	(479)	790
Increase (decrease) in cash and cash equivalents	(24,772)	36,212
Cash and cash equivalents at beginning of period	68,939	73,191
Cash and cash equivalents at end of period	$ 44,167	$ 109,403