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Income taxes - Summary of Effective Income Tax Rate Reconciliation (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Effective income tax rate	18.90%	1.80%	10.70%	1.60%
Bio Ventus LLC [Member]
U.S. statutory federal corporate income tax rate					21.00%	21.00%	21.00%
LLC flow-through structure					(20.10%)	(8.80%)	(15.70%)
State and local income taxes, net of federal benefit					1.50%	2.40%	7.30%
Foreign rate differential					1.20%	1.70%	11.50%
Provision to return adjustment					3.90%		3.10%
Effective income tax rate					7.50%	16.30%	27.20%

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- Definition

Effective income tax reconciliation llc flow through structure percentage.

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Effective income tax reconciliation provision to return adjustment percentage.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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-Topic 740
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

+ References

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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