Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (56,138)	$ 13,220
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation expense	18,008	9,526
Amortization expense of assets and liabilities, net	369	412
Accretion of convertible note discount	3,507	1,488
Amortization of marketable securities	183	0
Change in fair value of contingent consideration	(722)	(1,443)
Bargain purchase gain from acquisition	(5,358)	0
Provision for doubtful accounts	(843)	356
Stock compensation expense	3,427	4,041
Deferred tax benefit	(2,991)	(12,840)
Other operating activities	(248)	437
Changes in asset and liabilities, net of effects from acquisitions:
Accounts receivable, net	262,499	47,678
Inventories	36,810	38,379
Prepaid expenses and other assets	(8,974)	(12,358)
Accounts payable	(124,827)	967
Accrued expenses and other liabilities	(8,965)	(3,105)
Deferred revenue	(16,680)	(15,404)
Net cash flows provided by operating activities	99,057	71,354
CASH FLOWS FROM INVESTING ACTIVITIES:
Cash paid for marketable securities	(52,153)	(80,973)
Cash received from maturities of marketable securities	61,642	19,174
Insurance proceeds for assets impaired	6,500	0
Change in restricted cash	13,345	(104,815)
Cash paid for purchase of property, plant and equipment	(61,014)	(45,579)
Cash paid for acquisitions and additional interests, net of cash acquired	(40,996)	(32,892)
Cash paid for investments	(639)	(2,779)
Other investing activities	0	72
Net cash flows used in investing activities	(73,315)	(247,792)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings (repayments) on lines of credit	5,744	(10,986)
Cash received from issuance of debt	410	143,750
Cash paid for capped call transactions	0	(11,904)
Cash paid on debt	(5,084)	(20,340)
Cash paid for debt issuance costs	(383)	(4,381)
Cash paid for equity issuance costs	0	(1,527)
Cash paid for treasury stock	(19,929)	(529)
Cash paid for preferred stock dividends	0	(40)
Cash paid for redemption of preferred stock	0	(3,562)
Cash paid for contingent consideration settlement	(2,106)	0
Net cash flows provided by (used in) financing activities	(21,348)	90,481
NET CHANGE IN CASH AND CASH EQUIVALENTS	4,394	(85,957)
CASH AND CASH EQUIVALENTS, Beginning of period	63,516	153,227
Effect of exchange rate changes on cash	(1,093)	0
CASH AND CASH EQUIVALENTS, End of period	66,817	67,270
SUPPLEMENTAL DISCLOSURES OF CASH FLOWS INFORMATION:
Cash paid for income taxes	50	21
Cash paid for interest	4,418	2,286
Amounts included in period-end accounts payable for:
Purchases of property, plant and equipment	4,043	5,905
Debt issuance cost	84	60
Incentive stock liability for raw material supply agreement	239	317
Equity issuance costs		25
Issuance of common stock for acquisitions	15,310	61,085
Contingent consideration for acquisitions	5,000	45,950
Debt assumed in acquisition	5,225	113,553
Gain on redemption of preferred stock		$ 378
Accruals of insurance proceeds related to impairment of property, plant and equipment	$ 11,027