Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017		Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 55,863		$ 18,160
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,594		4,801
Provision for doubtful accounts	13		0
Provision for warranty and returns	1,286		39
Stock compensation	4,006		3,808
Loss (gain) on disposal of property and equipment	18		(1)
Bond premium amortization	0		528
Bargain purchase gain	(63,237)		0
Cash provided by (used in) changes in operating assets and liabilities
Accounts receivable	(82,266)		2,552
Inventories	22,233		(4,866)
Prepaid expenses and other assets	(66,573)		(3,474)
Accounts payable	11,456		(1,383)
Accrued liabilities	39,907		(8,014)
Income taxes, including excess tax benefits and deferred income taxes	(10,909)		5,145
Net cash provided by operating activities	(76,609)		17,295
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(16,396)		(3,963)
Proceeds from sale of asset	0		1
Business acquisitions, net of cash acquired	(157,097)		0
Intangible assets additions	(410)		(219)
Purchases of investment securities	0		(7,061)
Proceeds from sale of investment securities	0		11,802
Net cash (used in) provided by investing activities	(173,903)		560
Proceeds from Issuance of Debt	75,000		0
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of stock options	8,992		5,421
Proceeds from employee stock purchase plan	1,326		1,197
Purchase of treasury stock	(3,718)		(16,897)
Net cash provided by financing activities	6,600		(10,279)
Effect of exchange rate changes on cash	692		3,630
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(243,220)		11,206
CASH AND CASH EQUIVALENTS, beginning of period	445,082	[1]	336,164
CASH AND CASH EQUIVALENTS, end of period	201,862		347,370
NON-CASH INVESTING ACTIVITIES
Capital Expenditures Incurred but Not yet Paid	437		522
Fair Value of Assets Acquired	881,732		0
estimated working capital adjustment	7,512		0
Business Combination, Contingent Consideration, Liability, Noncurrent	(19,000)
Business Combination, Consideration Transferred, Equity Issued, Fair Value	(413,139)		0
BARGAIN PURCHASE GAIN	(63,237)		0
Goodwill, Acquired During Period	1,015		0
Liabilities Assumed	$ 162,786		$ 0

[1] December 31, 2016 balances were derived from audited consolidated financial statements.