Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Current assets:
Cash and cash equivalents	$ 58,223	$ 87,915
Marketable debt securities – current	52,159	51,264
Accounts receivable, net of allowance for doubtful accounts of $425 and $348, respectively	14,979	16,613
Inventories	40,152	35,564
Prepaid expenses	9,216	4,299
Deferred income taxes	6,936	5,401
Other current assets	7,874	9,522
Total current assets	189,539	210,578
Non-current assets:
Marketable debt securities – non-current	34,632	38,642
Property and equipment, net	129,542	79,356
Goodwill and intangible assets, net	16,823	2,881
Deferred income taxes	4,943	8,511
Other assets	6,286	2,053
Total assets	381,765	342,021
Current liabilities:
Accounts payable	73,391	67,703
Customer prepayments	15,392	15,194
Accrued sales returns	9,433	5,330
Compensation and benefits	15,242	21,597
Taxes and withholding	12,517	9,282
Other current liabilities	11,207	13,955
Total current liabilities	137,182	133,061
Non-current liabilities:
Warranty liabilities	1,567	1,457
Other long-term liabilities	17,796	13,806
Total liabilities	156,545	148,324
Shareholders' equity:
Undesignated preferred stock; 5,000 shares authorized, no shares issued and outstanding	0	0
Common stock, $0.01 par value; 142,500 shares authorized, 54,901 and 55,903 shares issued and outstanding, respectively	549	559
Additional paid-in capital	5,382	33,923
Retained earnings	219,276	159,195
Accumulated other comprehensive income	13	20
Total shareholders’ equity	225,220	193,697
Total liabilities and shareholders’ equity	$ 381,765	$ 342,021