Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Cash flows from operating activities:
Net income	$ 95,922	$ 47,392	$ 43,493
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	24,429	25,140	33,056
Stock-based compensation expense	46,475	40,372	18,899
Amortization of right-of-use assets	6,587	5,960	5,797
Amortization of debt issuance costs and discount	362	400	1,659
Loss on refinancing of long-term debt	0	0	2,235
Impairment of operating lease right-of-use asset	0	0	977
Other non-cash adjustments	(601)	(256)	(374)
Changes in assets and liabilities:
Accounts receivable, net	(12,013)	336	(4,027)
Inventories, net	(2,995)	(9,619)	12,116
Prepaid expenses and other assets	1,918	(6,441)	3,740
Accounts payable	7,046	(16,820)	12,470
Accrued expenses	(2,855)	6,314	(3,047)
Accrued payroll obligations	9,692	4,624	4,039
Operating lease liabilities, current and long-term portions	(6,245)	(5,715)	(6,896)
Net cash provided by (used in) operating activities	167,722	91,687	124,137
Cash flows from investing activities:
Cash paid for business acquisition, net of cash acquired	(68,099)	0	0
Capital expenditures	(9,835)	(12,121)	(15,590)
Cash paid for software and intellectual property licenses	(11,862)	(8,747)	(9,601)
Proceeds from sales of and maturities of short-term marketable securities	0	0	9,655
Net cash provided by (used in) investing activities	(89,796)	(20,868)	(15,536)
Cash flows from financing activities:
Restricted stock unit tax withholdings	(54,191)	(26,965)	(10,084)
Proceeds from issuance of common stock	8,827	10,103	17,166
Repurchase of common stock	(70,124)	(14,989)	0
Proceeds from long-term debt	0	50,000	206,500
Original issue discount and debt issuance costs	0	0	(2,086)
Repayment of long-term debt	(13,125)	(26,250)	(321,408)
Net cash provided by (used in) financing activities	(128,613)	(8,101)	(109,912)
Effect of exchange rate change on cash	(75)	1,533	341
Net increase (decrease) in cash and cash equivalents	(50,762)	64,251	(970)
Beginning cash and cash equivalents	182,332	118,081	119,051
Ending cash and cash equivalents	131,570	182,332	118,081
Supplemental disclosure of cash flow information and non-cash investing and financing activities:
Interest paid	2,313	3,700	10,995
Operating lease payments	7,639	7,713	8,425
Income taxes paid, net of refunds	3,304	1,868	3,393
Accrued purchases of plant and equipment	1,360	975	826
Operating lease right-of-use assets obtained in exchange for lease obligations	$ 8,134	$ 2,645	$ 747