Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 02, 2016	Dec. 27, 2014
Current assets:
Cash and cash equivalents	$ 179,915	$ 185,957
Short term investments	33,124	36,166
Accounts receivable, net of allowance of $33 at January 2, 2016 and $67 at December 27, 2014	104,679	71,056
Unbilled revenue	452	2,614
Inventory	61,678	47,857
Deferred tax assets	0	21,505
Other current assets	9,501	9,704
Total current assets	389,349	374,859
Property and equipment, net	26,850	31,297
Deferred tax assets	31,721	8,409
Goodwill	48,751	48,751
Intangible assets, net	15,664	19,146
Other assets	9,408	10,751
Total assets	521,743	493,213
Current liabilities:
Accounts payable	61,655	60,256
Accrued expenses	15,954	18,701
Accrued compensation	15,752	16,235
Deferred Revenue, Current	3,265	3,849
Total current liabilities	96,626	99,041
Long term liabilities	$ 7,706	$ 3,736
Commitments and contingencies (Note 11):
Redeemable convertible preferred stock, 5,000,000 shares authorized and no shares issued or outstanding	$ 0	$ 0
Common stock, $0.01 par value, 100,000,000 shares authorized; and 29,091,806 and 29,644,602 shares issued and outstanding at January 2, 2016 and December 27, 2014, respectively	291	297
Additional paid-in capital	232,345	249,409
Retained earnings	185,011	140,881
Accumulated other comprehensive loss	(236)	(151)
Total stockholders’ equity	417,411	390,436
Total liabilities, redeemable convertible preferred stock and stockholders’ equity	$ 521,743	$ 493,213

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.