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Deferred Revenue (Narrative) (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 29, 2019 USD ($)	Sep. 29, 2019 USD ($) region
Revenue from Contract with Customer [Abstract]
Revenue deferred due to unsatisfied performance obligations	$ 12.4	$ 32.6
Revenue recognized for satisfaction of performance obligations over time	$ 11.9	34.6
Recognized revenue that was included in contract liability balance at beginning of period		$ 22.1
Number of geographic regions in which the Company conducts business | region		3

X

- Definition

Contract with Customer, Liability, Increase Due to Unsatisfied Performance Obligations

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- Definition

Number of Geographic Regions

+ References

No definition available.

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X

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

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- Definition

Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12A
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL108322424-203045

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- References

No definition available.

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