CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
OPERATING ACTIVITIES
Net income	$ 4,698	$ 9,463	$ 8,830	$ 22,759
Adjustments to reconcile net income to net cash provided by/(used in) operating activities:
Depreciation	14,230	13,953	42,868	42,638
Amortization	1,567	1,593	4,884	4,862
Noncash interest expense		210		824
Change in long-term liabilities, deferred taxes and other credits	(283)	(1,362)	(4,274)	(126,606)
Write-off of pension liability adjustment due to settlement				118,350
Provision for write-off of property, plant and equipment	264		329	200
Loss/(gain) on disposition of assets		301	(3,763)	(92,376)
Excess tax benefit of options exercised	(420)	(26)	(944)	(37)
Compensation and benefits paid or payable in Class A Common Stock	287	392	(887)	1,795
Changes in operating assets and liabilities, net of business divestitures:
Accounts receivable	5,759	3,655	(479)	(6,870)
Inventories	290	8,505	(240)	8,376
Prepaid expenses and other current assets	327	746	(1,706)	(251)
Income taxes prepaid and receivable	129	2,840	309	10,232
Accounts payable	4,516	(4,216)	3,924	(4,241)
Accrued liabilities	4,076	5,707	25,005	13,071
Income taxes payable	(4,101)	1,768	(8,978)	(762)
Other, net	(593)	(359)	(1,824)	(2,242)
Net cash provided by/(used in) operating activities	30,746	43,170	63,054	(10,278)
INVESTING ACTIVITIES
Purchases of property, plant and equipment	(18,378)	(11,047)	(46,186)	(25,237)
Purchased software	(728)	(146)	(1,376)	(154)
Proceeds from sale of assets			6,268
Proceeds from sale of discontinued operations, net of expenses	13,000		13,000	150,654
Net cash (used in)/provided by investing activities	(6,106)	(11,193)	(28,294)	125,263
FINANCING ACTIVITIES
Proceeds from borrowings	5,271	7,000	57,176	45,164
Principal payments on debt	(18,562)	(29,131)	(69,221)	(98,354)
Proceeds from options exercised	1,661	811	4,629	1,079
Excess tax benefit of options exercised	420	26	944	37
Debt acquisition costs			(1,639)
Dividends paid	(4,747)	(4,390)	(9,170)	(12,528)
Net cash (used in)/provided by financing activities	(15,957)	(25,684)	(17,281)	(64,602)
Effect of exchange rate changes on cash and cash equivalents	6,805	3,054	4,612	4,647
Increase/(decrease) in cash and cash equivalents	15,488	9,347	22,091	55,030
Cash and cash equivalents at beginning of period	197,321	164,592	190,718	118,909
Cash and cash equivalents at end of period	$ 212,809	$ 173,939	$ 212,809	$ 173,939