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Revenue - Revenue by Country (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Apr. 01, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 1,382.6	$ 1,369.9
United States
Disaggregation of Revenue [Line Items]
Revenue	1,018.9	974.7
Canada
Disaggregation of Revenue [Line Items]
Revenue	33.0	33.6
Mexico
Disaggregation of Revenue [Line Items]
Revenue	27.5	30.4
Puerto Rico
Disaggregation of Revenue [Line Items]
Revenue	19.2	19.8
Brazil
Disaggregation of Revenue [Line Items]
Revenue	8.5	9.5
Americas
Disaggregation of Revenue [Line Items]
Revenue	1,107.1	1,068.0
France
Disaggregation of Revenue [Line Items]
Revenue	64.3	71.9
Switzerland
Disaggregation of Revenue [Line Items]
Revenue	49.5	49.7
Portugal
Disaggregation of Revenue [Line Items]
Revenue	44.8	51.1
United Kingdom
Disaggregation of Revenue [Line Items]
Revenue	26.2	29.0
Russia
Disaggregation of Revenue [Line Items]
Revenue	25.4	26.1
Italy
Disaggregation of Revenue [Line Items]
Revenue	20.6	20.5
Germany
Disaggregation of Revenue [Line Items]
Revenue	11.1	16.4
Ireland
Disaggregation of Revenue [Line Items]
Revenue	10.1	11.3
Other
Disaggregation of Revenue [Line Items]
Revenue	18.0	20.8
EMEA
Disaggregation of Revenue [Line Items]
Revenue	270.0	296.8
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	$ 5.5	$ 5.1

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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