Fair value measurement - Narrative (Details)	3 Months Ended
Mar. 28, 2020
Secured credit facilities \| Secured debt \| LIBOR
Debt Instrument
Variable rate floor (percent)	1.00%
Euro Term Loan \| Term loan \| EURIBOR
Debt Instrument
Variable rate floor (percent)	0.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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