Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 26, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 136,720	$ 130,673
Marketable securities	237,002	189,563
Accounts receivable, less allowance of $784 in 2020 and $1,247 in 2019	149,251	123,656
Inventories	191,217	176,134
Prepaid expenses and other current assets	17,471	21,638
Total current assets	731,661	641,664
Property, plant and equipment, net	87,950	98,420
Goodwill	306,632	307,148
Identifiable intangible assets, net	318,357	371,953
Deferred income taxes	2,235	1,456
Other assets	21,337	27,939
Total assets	1,468,172	1,448,580
Current liabilities:
Accounts payable	40,183	27,738
Accrued liabilities	37,075	26,204
Deferred revenue	14,334	12,629
Other current liabilities	28,499	19,172
Total current liabilities	120,091	85,743
Deferred and other tax liabilities	55,623	67,040
Other non-current liabilities	27,712	31,771
Total liabilities	203,426	184,554
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock, $0.001 par value, 97,000 shares authorized, 48,758 and 50,184 issued and outstanding at December 26, 2020 and December 31, 2019, respectively.	49	50
Additional paid-in capital	1,233,967	1,269,437
Accumulated other comprehensive income (loss)	4,568	(598)
Accumulated earnings (deficit)	26,162	(4,863)
Total stockholders’ equity	1,264,746	1,264,026
Total liabilities and stockholders’ equity	$ 1,468,172	$ 1,448,580