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Revenue - Revenue by Country (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 1,038.2	$ 1,267.7	$ 3,274.6	$ 4,017.8
United States
Disaggregation of Revenue [Line Items]
Revenue	740.6	903.2	2,369.2	2,913.4
Canada
Disaggregation of Revenue [Line Items]
Revenue	30.3	34.6	88.7	100.8
Mexico
Disaggregation of Revenue [Line Items]
Revenue	27.4	32.4	78.6	89.6
Puerto Rico
Disaggregation of Revenue [Line Items]
Revenue	18.4	18.8	56.1	57.6
Brazil
Disaggregation of Revenue [Line Items]
Revenue	1.8	8.4	17.0	25.1
Americas
Disaggregation of Revenue [Line Items]
Revenue	818.5	997.4	2,609.6	3,186.5
Switzerland
Disaggregation of Revenue [Line Items]
Revenue	49.6	50.6	141.2	150.0
France
Disaggregation of Revenue [Line Items]
Revenue	48.8	59.7	141.2	188.6
Portugal
Disaggregation of Revenue [Line Items]
Revenue	31.7	44.0	99.1	135.5
Russia
Disaggregation of Revenue [Line Items]
Revenue	27.2	29.9	88.6	84.1
United Kingdom
Disaggregation of Revenue [Line Items]
Revenue	16.4	24.9	56.5	81.6
Italy
Disaggregation of Revenue [Line Items]
Revenue	14.5	18.5	42.5	59.8
Germany
Disaggregation of Revenue [Line Items]
Revenue	7.0	11.5	22.1	32.5
Ireland
Disaggregation of Revenue [Line Items]
Revenue	4.9	7.1	14.0	28.1
Other
Disaggregation of Revenue [Line Items]
Revenue	12.0	16.6	38.7	51.5
EMEA
Disaggregation of Revenue [Line Items]
Revenue	212.1	262.8	643.9	811.7
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	$ 7.6	$ 7.5	$ 21.1	$ 19.6

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