CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
OPERATING ACTIVITIES
Net income	$ 10,693	$ 11,511
Adjustments to reconcile net income to net cash provided by/(used in) operating activities:
Depreciation	14,107	14,211
Amortization	1,801	1,663
Change in long-term liabilities, deferred taxes and other credits	(214)	3,873
Provision for write-off of property, plant and equipment	1	44
(Gain) on disposition of assets		(3,763)
Excess tax benefit of options exercised	(39)	(352)
Compensation and benefits paid or payable in Class A Common Stock	542	(698)
Changes in operating assets and liabilities, net of business divestitures:
Accounts receivable	10,964	(1,723)
Inventories	(8,996)	(2,988)
Prepaid expenses and other current assets	(2,148)	(3,577)
Income taxes prepaid and receivable	21	152
Accounts payable	(1,294)	547
Accrued liabilities	(12,849)	(8,983)
Income taxes payable	(1,710)	(5,318)
Other, net	(2,031)	(438)
Net cash provided by operating activities	8,848	4,161
INVESTING ACTIVITIES
Purchases of property, plant and equipment	(14,603)	(13,188)
Purchased software	(294)	(93)
Proceeds from sale of assets		6,268
Net cash (used in)/provided by investing activities	(14,897)	(7,013)
FINANCING ACTIVITIES
Proceeds from borrowings	4,435	46,868
Principal payments on debt	(6,516)	(32,183)
Proceeds from options exercised	126	1,964
Excess tax benefit of options exercised	39	352
Debt acquisition costs		(1,563)
Dividends paid	(4,765)
Net cash (used in)/provided by financing activities	(6,681)	15,438
Effect of exchange rate changes on cash and cash equivalents	(1,557)	(3,471)
(Decrease)/increase in cash and cash equivalents	(14,287)	9,115
Cash and cash equivalents at beginning of period	222,666	190,718
Cash and cash equivalents at end of period	$ 208,379	$ 199,833