CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jul. 02, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 115,177	$ 98,645
Accounts receivable, net	100,599	66,227
Inventories	43,031	35,031
Prepaid expenses and other current assets	42,314	38,132
Total current assets	301,121	238,035
Property and equipment, net	44,374	43,141
Operating lease right-of-use assets	30,175	27,556
Other non-current assets	33,322	39,117
Goodwill	242,248	243,674
Total assets	651,240	591,523
Current liabilities:
Accounts payable	37,625	23,543
Deferred revenue	68,392	54,294
Other debts, current	5,678	11,771
Operating lease liabilities, current	6,847	7,354
Other current liabilities	67,829	50,333
Total current liabilities	186,371	147,295
Convertible debt, non-current	132,575	129,507
Other debts, non-current	13,954	10,086
Operating lease liabilities, non-current	29,015	26,071
Other non-current liabilities	22,001	20,262
Total liabilities	383,916	333,221
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value, 150,000 shares authorized; 101,794 and 98,204 shares issued and outstanding at July 2, 2021 and December 31, 2020, respectively	102	98
Additional paid-in capital	2,373,851	2,353,559
Accumulated deficit	(2,109,344)	(2,101,211)
Accumulated other comprehensive income	2,715	5,856
Total stockholders’ equity	267,324	258,302
Total liabilities and stockholders’ equity	$ 651,240	$ 591,523