Accumulated Other Comprehensive Loss - Changes in AOCI (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Changes in accumulated other comprehensive income (loss)
Beginning balance	$ 940,181	$ 841,605	$ 920,254	$ 831,877
Net current period other comprehensive income (loss)	(5,472)	(3,849)	(6,473)	189
Ending balance	841,574	830,622	841,574	830,622
Defined benefit pension plan
Changes in accumulated other comprehensive income (loss)
Beginning balance			(9,344)
Amounts reclassified from AOCL			61
Net current period other comprehensive income (loss)			61
Ending balance	(9,283)		(9,283)
Foreign Currency Translation Adjustments
Changes in accumulated other comprehensive income (loss)
Beginning balance			(8,825)
Other comprehensive income (loss) before reclassifications			(6,534)
Net current period other comprehensive income (loss)			(6,534)
Ending balance	(15,359)		(15,359)
Accumulated Other Comprehensive Loss
Changes in accumulated other comprehensive income (loss)
Beginning balance	(19,170)	(31,556)	(18,169)	(35,594)
Other comprehensive income (loss) before reclassifications			(6,534)
Amounts reclassified from AOCL			61
Net current period other comprehensive income (loss)			(6,473)
Ending balance	$ (24,642)	$ (35,405)	$ (24,642)	$ (35,405)

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Subparagraph (SX 210.4-08(g)(1)(ii))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
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-Section 55
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-URI https://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section S99
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-URI https://asc.fasb.org/extlink&oid=122038336&loc=d3e74512-122707

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details