Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 5,567	$ 10,351
Adjustments for noncash items:
Depreciation	19,592	24,334
Amortization of intangibles	3,533	2,742
Deferred income taxes	(1,998)	(245)
Accrued pension and postretirement benefits	6,806	4,044
Gain on investment accounted for under the fair value method	(3,200)	(6,300)
Loss on asset impairments and divestitures	1,018	1,942
Changes in assets and liabilities, net of effects of acquisitions and divestitures:
Accounts and other receivables	(22,036)	(4,750)
Inventories	(5,578)	(11,052)
Income taxes recoverable/payable	1,947	575
Prepaid expenses and other	1,074	1,814
Accounts payable and accrued expenses	13,583	7,775
Other, net	323	(3,716)
Net cash provided by operating activities	20,631	27,514
Cash flows from investing activities:
Capital expenditures	(34,642)	(8,933)
Acquisition, net of cash acquired		(3,311)
Proceeds from the sale of business	306
Proceeds from the sale of assets and other	701	75
Net cash used in investing activities	(33,635)	(12,169)
Cash flows from financing activities:
Borrowings	32,000
Debt principal payments and financing costs	(21,000)	(28,354)
Dividends paid	(4,521)	(2,890)
Proceeds from exercise of stock options	2,692	125
Net cash provided by (used in) financing activities	9,171	(31,119)
Effect of exchange rate changes on cash	(562)	(606)
Increase (decrease) in cash and cash equivalents	(4,395)	(16,380)
Cash and cash equivalents at beginning of period	48,822	68,939
Cash and cash equivalents at end of period	$ 44,427	$ 52,559