Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities:
Net income	$ 222,799	$ 47,038
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	31,110	25,912
Amortization of convertible debt discount	1,173	1,083
Loss (gain) on disposition of property, plant and equipment	56	(62)
Stock compensation expense	14,348	4,286
Withholding taxes paid on stock issuances	(753)	(727)
(Gain) loss on the sale of businesses	(194,438)	734
Changes in assets and liabilities, net of the effects of divestitures:
Accounts receivable	(17,951)	(8,893)
Inventories	(8,026)	(852)
Prepaid expenses and other current assets	250	(1,290)
Accounts payable	7,620	(621)
Accrued liabilities	14,066	(15,830)
Deferred income taxes	(10,066)	789
Long-term retirement benefits	(166)	(18,770)
Other	6,061	837
Net cash provided by operating activities	66,083	33,634
Investing activities:
Proceeds from disposition of property, plant and equipment	160	222
Proceeds from (payments for) the sale of businesses, net	540,435	(318)
Capital expenditures	(20,419)	(15,658)
Other	(1,748)	(2,476)
Net cash provided (used) by investing activities	518,428	(18,230)
Financing activities:
Net change in other borrowings	9,092	(10,535)
Payments on long-term debt	(478,005)	(17,770)
Proceeds from the issuance of long-term debt	65,500	67,000
Proceeds from the issuance of common stock	3,763	4,080
Common stock repurchases	(61,432)	(19,037)
Dividends paid	(10,720)	(10,842)
Excess tax benefit on stock awards	632	1,331
Other	(111)	(120)
Net cash (used) provided by financing activities	(471,281)	14,107
Effect of exchange rate changes on cash flows	(2,188)	(1,038)
Increase in cash and cash equivalents	111,042	28,473
Cash and cash equivalents at beginning of period	86,356	62,505
Cash and cash equivalents at end of period	$ 197,398	$ 90,978