CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Net cash provided by operating activities	$ 80,066	$ 61,173
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition, net of cash acquired		(124,916)
Purchases of property, plant and equipment	(23,668)	(23,751)
Proceeds from sales of property, plant and equipment	1,428	51
Proceeds from maturity of short-term investments	5,380
Purchases of equity securities	(1,842)
Proceeds from sale of equity securities		7,458
Other	1,280	(3,799)
Net cash used by investing activities	(17,422)	(144,957)
CASH FLOWS FROM FINANCING ACTIVITIES
Advances on lines of credit	4,335	4,963
Repayments on lines of credit	(7,622)	(25,711)
Borrowings of long-term debt		181,002
Repayments of long-term debt	(20,710)	(15,536)
Net proceeds from issuance of common stock	2,913	1,366
Other	(147)	(2,844)
Net cash provided by (used by) financing activities	(21,231)	143,240
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(2,583)	(3,031)
INCREASE IN CASH AND CASH EQUIVALENTS	38,830	56,425
CASH AND CASH EQUIVALENTS, beginning of period	196,635	157,121
CASH AND CASH EQUIVALENTS, end of period	235,465	213,546
Non-cash financing activities:
Property, plant and equipment purchased on accounts payable	(1,968)	(330)
Acquisition:
Fair value of assets acquired		247,012
Liabilities assumed		(92,277)
Cash acquired		(29,819)
Net assets acquired		$ 124,916