CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
OPERATING ACTIVITIES
Net income	$ 9,463	$ 16,674	$ 22,759	$ 42,169
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	13,953	14,407	42,638	42,933
Amortization	1,593	2,261	4,862	6,750
Noncash interest expense	210	188	824	565
Change in long-term liabilities, deferred taxes and other credits	1,478	(11,021)	(116,374)	(11,045)
Provision for write-off of property, plant and equipment		40	200	104
Write-off of pension liability adjustment due to settlement			118,350
(Gain) on disposition of assets	301		(92,376)	(1,022)
Excess tax benefit of options exercised	(26)	(18)	(37)	(53)
Compensation and benefits paid or payable in Class A Common Stock	392	679	1,795	1,969
Changes in operating assets and liabilities, net of business acquisitions and divestitures:
Accounts receivable	3,655	(17,091)	(6,870)	(10,186)
Inventories	8,505	4,062	8,376	(13,250)
Prepaid expenses and other current assets	746	281	(251)	(2,192)
Accounts payable	(4,216)	(2,897)	(4,241)	1,005
Accrued liabilities	5,707	9,226	13,071	5,136
Income taxes payable	1,768	5,738	(762)	10,597
Other, net	(359)	(25)	(2,242)	822
Net cash provided by/(used in) operating activities	43,170	22,504	(10,278)	74,302
INVESTING ACTIVITIES
Purchases of property, plant and equipment	(11,047)	(4,261)	(25,237)	(18,155)
Purchased software	(146)	(346)	(154)	(2,098)
Proceeds from sale of assets				2,860
Proceeds from sale of discontinued operations			150,654
Net cash (used in)/provided by investing activities	(11,193)	(4,607)	125,263	(17,393)
FINANCING ACTIVITIES
Proceeds from borrowings	7,000	741	45,164	1,385
Principal payments on debt	(29,131)	(29,090)	(98,354)	(37,087)
Proceeds from options exercised	811	114	1,079	415
Excess tax benefit of options exercised	26	18	37	53
Dividends paid	(4,390)	(4,066)	(12,528)	(11,560)
Net cash (used in) financing activities	(25,684)	(32,283)	(64,602)	(46,794)
Effect of exchange rate changes on cash and cash equivalents	3,054	(12,892)	4,647	(2,648)
Increase/(decrease) in cash and cash equivalents	9,347	(27,278)	55,030	7,467
Change in cash balances of discontinued operations		(306)		(1,282)
Cash and cash equivalents at beginning of period	164,592	151,694	118,909	117,925
Cash and cash equivalents at end of period	$ 173,939	$ 124,110	$ 173,939	$ 124,110