CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 28, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 101,320	$ 130,673
Marketable securities	190,629	189,563
Accounts receivable, less allowance of $1,398 and $1,247	149,229	123,656
Inventories, net	160,543	176,134
Prepaid expenses and other current assets	26,798	21,638
Total current assets	628,519	641,664
Property, plant and equipment, net	96,973	98,420
Goodwill	307,626	307,148
Identifiable intangible assets, net	358,222	371,953
Deferred income taxes	1,397	1,456
Other assets	23,650	27,939
Total assets	1,416,387	1,448,580
Current liabilities:
Accounts payable	32,205	27,738
Accrued liabilities	29,395	26,204
Deferred revenue	15,570	12,629
Other current liabilities	17,158	19,172
Total current liabilities	94,328	85,743
Deferred and other tax liabilities	66,263	67,040
Other non-current liabilities	29,991	31,771
Total liabilities	190,582	184,554
Commitments and contingencies
Stockholders’ equity:
Common stock	49	50
Additional paid-in capital	1,238,378	1,269,437
Accumulated other comprehensive loss	(3,355)	(598)
Accumulated deficit	(9,267)	(4,863)
Total stockholders’ equity	1,225,805	1,264,026
Total liabilities and stockholders’ equity	$ 1,416,387	$ 1,448,580