Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 01, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 210,615	$ 141,106
Short-term investments	451,114	153,961
Accounts receivable, net	75,488	74,401
Inventories	67,427	59,578
Prepaid expenses and other current assets	46,862	61,805
Total current assets	851,506	490,851
Long-term investments	5,379	5,196
Property and equipment, net	130,909	129,559
Goodwill	288,629	276,130
Other intangible assets, net	96,819	103,565
Other assets, net	61,085	76,543
Total assets	1,434,327	1,081,844
Current liabilities:
Accounts payable	39,989	39,577
Accrued expenses	50,797	50,100
Deferred income on shipments to distributors	48,914	45,568
Income taxes	3,543	4,450
Total current liabilities	143,243	139,695
Long-term debt		72,500
Convertible debt	335,639
Other non-current liabilities	43,240	42,691
Total liabilities	522,122	254,886
Commitments and contingencies
Stockholders' equity:
Preferred stock-$0.0001 par value; 10,000 shares authorized; no shares issued
Common stock - $0.0001 par value; 250,000 shares authorized; 42,539 and 41,889 shares issued and outstanding at July 1, 2017 and December 31,2016, respectively	4	4
Additional paid-in capital	76,409	24,463
Retained earnings	836,210	801,999
Accumulated other comprehensive income (loss)	(418)	492
Total stockholders' equity	912,205	826,958
Total liabilities and stockholders' equity	$ 1,434,327	$ 1,081,844