CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
OPERATING ACTIVITIES
Net income	$ 16,674	$ 3,627	$ 42,169	$ 17,102
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in losses/(earnings) of associated companies	71	40	411	(58)
Depreciation	14,407	13,204	42,933	40,454
Amortization	2,261	2,256	6,750	6,486
Noncash interest expense	188	188	565	565
Provision for deferred income taxes, other credits and long-term liabilities	(11,021)	(2,825)	(11,045)	8,390
Provision for write-off of property, plant and equipment	40	116	104	3,209
Gain on disposition of assets		(2,454)	(1,022)	(2,454)
Excess tax benefit of options exercised	(18)	(12)	(53)	(12)
Compensation and benefits paid or payable in Class A Common Stock	679	1,790	1,969	4,799
Changes in operating assets and liabilities, net of business acquisitions and divestitures:
Accounts receivable	(17,091)	(7,783)	(10,186)	(8,127)
Inventories	4,062	2,626	(13,250)	14,644
Prepaid expenses and other current assets	281	(3,289)	(2,192)	(5,319)
Accounts payable	(2,897)	(3,671)	1,005	(8,115)
Accrued liabilities	9,226	7,487	5,136	(1,206)
Income taxes payable	5,738	(431)	10,597	(110)
Other, net	(96)	(1,556)	411	(113)
Net cash provided by operating activities	22,504	9,313	74,302	70,135
INVESTING ACTIVITIES
Purchases of property, plant and equipment	(4,261)	(4,029)	(18,155)	(17,944)
Purchased software	(346)	(644)	(2,098)	(2,590)
Proceeds from sale of assets		3,209	2,860	3,209
Acquisitions, net of cash acquired				(1,902)
Cash received from life insurance policy terminations				49,302
Net cash (used in)/provided by investing activities	(4,607)	(1,464)	(17,393)	30,075
FINANCING ACTIVITIES
Proceeds from borrowings	741	576	1,385	6,728
Principal payments on debt	(29,090)	(12,369)	(37,087)	(82,124)
Proceeds from options exercised	114	(11)	415	125
Excess tax benefit of options exercised	18	12	53	12
Debt issuance costs		(4,471)		(4,471)
Dividends paid	(4,066)	(3,729)	(11,560)	(11,148)
Net cash (used in) financing activities	(32,283)	(19,992)	(46,794)	(90,878)
Effect of exchange rate changes on cash and cash equivalents	(12,892)	8,880	(2,648)	(7,388)
(Decrease)/increase in cash and cash equivalents	(27,278)	(3,263)	7,467	1,944
Cash and cash equivalents at beginning of period	157,046	102,673	122,301	97,466
Cash and cash equivalents at end of period	$ 129,768	$ 99,410	$ 129,768	$ 99,410