Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Dec. 31, 2015
Other Payments to Acquire Businesses	$ 356
Current assets:
Cash and cash equivalents	248,717	$ 279,672
Marketable securities	139,951	194,386
Accounts receivable, net	46,519	145,692
Inventory	139,736	188,232
Prepaid expenses and other current assets	27,452	25,261
Total current assets	602,375	833,243
Property and equipment, net	67,725	70,050
Intangible assets, net	36,781	31,027
Goodwill	94,583	57,095
Other long-term assets	127,465	111,561
Total assets	928,929	1,102,976
Current liabilities:
Accounts payable	50,989	89,989
Accrued liabilities	148,309	192,446
Deferred revenue	13,847	12,742
Total current liabilities	213,145	295,177
Long-term liabilities	36,389	35,766
Total liabilities	$ 249,534	$ 330,943
Commitments, contingencies and guarantees
Stockholders’ equity:
Preferred stock, $0.0001 par value, 5,000 shares authorized; none issued	$ 0	$ 0
Common stock and additional paid-in capital, $0.0001 par value, 500,000 Class A shares authorized,101,868 and 100,596 shares issued and outstanding, respectively; 150,000 Class B shares authorized, 36,299 and 36,005 shares issued and outstanding, respectively	678,132	663,311
Treasury stock, at cost, 1,545 and 1,545 shares, respectively	(35,613)	(35,613)
Retained earnings	36,876	144,335
Total stockholders’ equity	679,395	772,033
Total liabilities and stockholders’ equity	$ 928,929	$ 1,102,976

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.