Fair value measurements - Acquisition unobservable level 3 inputs (Details) - Level 3 - Valuation Technique, Discounted Cash Flow - Measurement Input, Discount Rate	Apr. 02, 2022
Minimum
Business Acquisition [Line Items]
Payment discount rate	0.064
Maximum
Business Acquisition [Line Items]
Payment discount rate	0.068

Value of input used to measure contingent consideration liability from business combination.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

Name:	us-gaap_BusinessCombinationContingentConsiderationLiabilityMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant