Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 303,123	$ 270,811
Short-term investments	88,997	120,572
Restricted cash	493	539
Accounts receivable, net	64,285	60,085
Inventory	57,197	61,471
Deferred cost of sales	15,506	5,076
Prepaid expenses and other current assets	32,102	23,132
Assets held for sale	6,000	6,000
Deferred income taxes	7,014	7,976
Total current assets	574,717	555,662
Property, plant and equipment, net	80,301	78,752
Goodwill	114,972	114,959
Deferred income taxes	1,180	1,180
Intangible assets, net	151,346	159,308
Other assets	19,574	19,594
Total assets	942,090	929,455
Current liabilities:
Accounts payable	41,128	18,111
Accrued expenses and other current liabilities	36,491	48,418
Customer deposits and deferred revenue	109,993	96,004
Income taxes payable	8,041	5,441
Deferred income taxes	120	120
Current portion of long-term debt	320	314
Total current liabilities	196,093	168,408
Deferred income taxes	16,041	16,397
Long-term debt	1,451	1,533
Other liabilities	4,680	4,185
Total liabilities	218,265	190,523
Stockholders' Equity:
Preferred stock, 500,000 shares authorized; no shares issued and outstanding
Common stock; $0.01 par value; 120,000,000 shares authorized; 40,375,054 and 40,360,069 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively	404	404
Additional paid-in capital	754,125	750,139
Accumulated deficit	(32,190)	(13,080)
Accumulated other comprehensive income	1,486	1,469
Total stockholders' equity	723,825	738,932
Total liabilities and stockholders' equity	$ 942,090	$ 929,455