CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning balance (in shares) at Dec. 31, 2021				102,959,000	102,959,000
Beginning balance at Dec. 31, 2021	$ 295,913	$ (13,910)	$ 282,003	$ 103	$ 103	$ 2,387,039	$ (32,249)	$ 2,354,790	$ (2,087,957)	$ 18,339	$ (2,069,618)	$ (3,272)	$ (3,272)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	22,051								22,051
Other comprehensive loss, net of tax	(19,041)											(19,041)
Issuance of common stock under stock option, award and purchase plans, net (in shares)				3,033,000
Issuance of common stock under award and purchase plans, net	1,115			$ 3		1,112
Repurchase of common stock (in shares)				(571,000)
Repurchase of common stock	(5,134)			$ (1)					(5,133)
Stock-based compensation	19,627					19,627
Ending balance (in shares) at Sep. 30, 2022				105,421,000
Ending balance at Sep. 30, 2022	300,621			$ 105		2,375,529			(2,052,700)			(22,313)
Beginning balance (in shares) at Jul. 01, 2022				105,061,000
Beginning balance at Jul. 01, 2022	296,836			$ 105		2,371,001			(2,061,320)			(12,950)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	8,740								8,740
Other comprehensive loss, net of tax	(9,363)											(9,363)
Issuance of common stock under stock option, award and purchase plans, net (in shares)				374,000
Issuance of common stock under award and purchase plans, net	(1,932)					(1,932)
Repurchase of common stock (in shares)				(14,000)
Repurchase of common stock	(120)								(120)
Stock-based compensation	6,460					6,460
Ending balance (in shares) at Sep. 30, 2022				105,421,000
Ending balance at Sep. 30, 2022	$ 300,621			$ 105		2,375,529			(2,052,700)			(22,313)
Beginning balance (in shares) at Dec. 31, 2022	109,871,000			109,871,000
Beginning balance at Dec. 31, 2022	$ 324,506			$ 110		2,380,651			(2,046,569)			(9,686)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	153								153
Other comprehensive loss, net of tax	(2,492)											(2,492)
Issuance of common stock under stock option, award and purchase plans, net (in shares)				2,300,000
Issuance of common stock under award and purchase plans, net	$ (2,091)			$ 2		(2,093)
Repurchase of common stock (in shares)	0
Stock-based compensation	$ 20,724					20,724
Ending balance (in shares) at Sep. 29, 2023	112,171,000			112,171,000
Ending balance at Sep. 29, 2023	$ 340,800			$ 112		2,399,282			(2,046,416)			(12,178)
Beginning balance (in shares) at Jun. 30, 2023				111,584,000
Beginning balance at Jun. 30, 2023	342,801			$ 112		2,389,573			(2,039,921)			(6,963)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(6,495)								(6,495)
Other comprehensive loss, net of tax	(5,215)											(5,215)
Issuance of common stock under stock option, award and purchase plans, net (in shares)				587,000
Issuance of common stock under award and purchase plans, net	2,468					2,468
Stock-based compensation	$ 7,241					7,241
Ending balance (in shares) at Sep. 29, 2023	112,171,000			112,171,000
Ending balance at Sep. 29, 2023	$ 340,800			$ 112		$ 2,399,282			$ (2,046,416)			$ (12,178)