CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
OPERATING ACTIVITIES:
Net cash used in operating activities	$ (82,499)	$ (50,932)
Investing activities:
Purchases of investments	(9,995)	(16,112)
Proceeds from sale of investments	21,954	20,282
Proceeds from maturity of investments		1,798
Purchases of property, plant and equipment	(7,174)	(4,345)
Cash acquired (used) in the acquisition of consolidated subsidiaries	(14,006)	174
Decrease in restricted cash	25	2,460
Other investing activities, net	(1,785)	14
Net cash provided by (used in) investing activities	(10,981)	4,271
Financing activities:
Proceeds from subsidiary stock offering, net		105,454
Repayment of debt	(75,218)	(50,955)
Payment of withholding taxes on exercise of RSU	(1,619)
Proceeds from debt	86,583	49,911
Proceeds from the sale of treasury stock	223
Net cash provided by financing activities	9,969	104,410
Effect of exchange rate changes on cash	1,621	(189)
Increase (decrease) in cash and cash equivalents	(81,890)	57,560
Cash and cash equivalents beginning of the period	138,039	100,115
Cash and cash equivalents end of the period	56,149	157,675
Supplemental cash flow information:
Payments (refunds) of federal, foreign, and state income taxes	(1,991)	118
Interest paid, net of amounts capitalized	3,604	4,124
Non-cash investing and financing activities:
Issuance of common stock for vested restricted stock units	4,349
Mortgage incurred to purchase real estate		13,153
Increase in assets from business combination with Spigit		21,432
Cash paid for the acquisition of consolidated subsidiaries	(14,006)
Increase in liabilities from business combination with Spigit		20,377
Decrease in assets from disposition of Spigit		24,800
Decrease in liabilities from disposition of Spigit		18,900
Conversion of note receivable to common stock in Spigit		$ 820