Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating Activities:
Net income	$ 47,038	$ 41,404
Adjustments to reconcile net income to net cash from operating activites:
Depreciation and amortization	25,912	28,822
Amortization of convertible debt discount	1,083	1,117
Gain on disposition of property, plant and equipment	(62)	(607)
Stock compensation expense	4,286	4,294
Withholding taxes paid on stock issuances	(727)	(664)
Loss on sale of businesses	734	0
Changes in assets and liabilities:
Accounts receivable	(8,893)	(24,875)
Inventories	(852)	(9,822)
Prepaid expenses and other current assets	(1,290)	22
Accounts payable	(621)	8,051
Accrued liabilities	(15,830)	6,305
Deferred income taxes	789	759
Long-term retirement benefits	(18,770)	(12,871)
Other	837	(1,593)
Net cash provided by operating activities	33,634	40,342
Investing activities:
Proceeds from disposition of property, plant and equipment	222	2,243
Payments related to the sale of businesses, net	(318)	0
Capital expenditures	(15,658)	(19,342)
Other	(2,476)	(4,236)
Net cash used by investing activities	(18,230)	(21,335)
Financing activities:
Net change in other borrowings	(10,535)	(1,363)
Payments on long-term debt	(17,770)	(275,074)
Proceeds from the issuance of long-term debt	67,000	249,490
Premium paid on convertible debt redemption	0	(9,803)
Proceeds from the issuance of common stock	4,080	26,086
Common stock repurchases	(19,037)	0
Dividends paid	(10,842)	(8,765)
Excess tax benefit on stock awards	1,331	3,102
Other	(120)	(131)
Net cash provided (used) by financing activities	14,107	(16,458)
Effect of exchange rate changes on cash flows	(1,038)	578
Increase in cash and cash equivalents	28,473	3,127
Cash and cash equivalents at beginning of period	62,505	13,450
Cash and cash equivalents at end of period	$ 90,978	$ 16,577