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Revenue - Revenue by Country (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2018	Jul. 02, 2017	Jul. 01, 2018	Jul. 02, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	$ 1,386.9	$ 1,333.6	$ 2,756.8	$ 2,623.3
United States
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	981.2	970.1	1,955.9	1,925.7
Canada
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	37.0	34.6	70.6	68.7
Mexico
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	30.0	28.3	60.4	52.1
Puerto Rico
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	26.2	17.6	46.0	35.3
Brazil
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	9.0	12.7	18.5	26.0
Americas
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	1,083.4	1,063.3	2,151.4	2,107.8
France
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	72.0	68.3	143.9	129.1
Switzerland
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	52.8	53.9	102.5	102.2
Portugal
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	51.2	41.7	102.3	78.0
United Kingdom
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	28.5	20.8	57.5	41.0
Russia
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	25.6	24.0	51.7	46.8
Italy
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	19.3	15.7	39.8	29.4
Germany
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	14.8	14.6	31.2	27.8
Ireland
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	11.7	7.4	23.0	15.1
Norway
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	9.2	8.4	17.6	16.0
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	12.8	11.0	25.2	21.4
EMEA
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	297.9	265.8	594.7	506.8
Asia Pacific
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	$ 5.6	$ 4.5	$ 10.7	$ 8.7

X

- Definition

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
-Subparagraph (a)
-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
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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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+ References

No definition available.

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