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Restructuring and asset impairment - Restructuring Accrual Activity for Given Years (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring Reserve [Roll Forward]
Liability, beginning balance	$ 12,790	$ 16,466
Charges	46,815	9,176	$ 67,729
Cash (payments)/receipts	(26,722)	(8,833)
Asset write downs/disposals	(16,580)	(3,713)
Foreign currency translation	(234)	(306)
Liability, ending balance	16,069	12,790	16,466
Severance and Termination Benefits
Restructuring Reserve [Roll Forward]
Liability, beginning balance	10,917	15,955
Charges	17,983	13,097	36,997
Cash (payments)/receipts	(14,024)	(17,828)
Asset write downs/disposals	0	0
Foreign currency translation	(199)	(307)
Liability, ending balance	14,677	10,917	15,955
Asset Impairment/Disposal of Assets
Restructuring Reserve [Roll Forward]
Liability, beginning balance	0	0
Charges	9,442	(9,116)	22,394
Cash (payments)/receipts	7,138	15,308
Asset write downs/disposals	(16,580)	(6,192)
Foreign currency translation	0	0
Liability, ending balance	0	0	0
Other Costs
Restructuring Reserve [Roll Forward]
Liability, beginning balance	1,873	511
Charges	19,390	5,195
Cash (payments)/receipts	(19,836)	(6,313)
Asset write downs/disposals	0	2,479
Foreign currency translation	(35)	1
Liability, ending balance	$ 1,392	$ 1,873	$ 511

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Restructuring reserve asset write offs.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868

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-Name Accounting Standards Codification
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-Section S99
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-Topic 230
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-Section 45
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-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

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-Section S99
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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
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