Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 243,722	$ 269,232
Short-term investments	104,979	116,050
Accounts receivable, net	56,089	49,524
Inventories	77,205	77,469
Deferred cost of sales	1,090	2,100
Prepaid expenses and other current assets	29,420	22,760
Assets held for sale	4,983	5,000
Total current assets	517,488	542,135
Property, plant and equipment, net	80,225	79,590
Intangible assets, net	126,653	131,674
Goodwill	114,908	114,908
Deferred income taxes	1,384	1,384
Other assets	21,098	21,098
Total assets	861,756	890,789
Current liabilities:
Accounts payable	30,624	30,074
Accrued expenses and other current liabilities	46,318	49,393
Customer deposits and deferred revenue	74,473	76,216
Income taxes payable	5,315	6,208
Current portion of long-term debt	347	340
Total current liabilities	157,077	162,231
Deferred income taxes	11,658	11,211
Long-term debt	1,104	1,193
Other liabilities	1,447	1,539
Total liabilities	$ 171,286	$ 176,174
Stockholders' equity:
Preferred stock, 500,000 shares authorized; no shares issued and outstanding
Common stock, $0.01 par value; 120,000,000 shares authorized; 40,984,233 shares issued and 39,829,128 shares outstanding at March 31, 2016; 40,995,694 shares issued and 40,526,902 shares outstanding at December 31, 2015	$ 410	$ 410
Additional paid-in capital	771,983	767,137
Accumulated deficit	(61,906)	(45,058)
Accumulated other comprehensive income	1,437	1,348
Treasury stock, at cost, 1,155,105 shares at March 31, 2016; 468,792 shares at December 31, 2015.	(21,454)	(9,222)
Total stockholders' equity	690,470	714,615
Total liabilities and stockholders' equity	$ 861,756	$ 890,789

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).

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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.