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Goodwill and Other Intangibles Amortizable Intangibles (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	$ 114.0	$ 155.6
Accumulated amortization	37.0	71.8
Amortizable intangibles, net	77.0	83.8
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	100.5	100.5
Accumulated amortization	26.6	21.6
Amortizable intangibles, net	$ 73.9	$ 78.9
Average remaining life (years)	15 years	16 years
Licensing arrangements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value		$ 28.8
Accumulated amortization		27.6
Amortizable intangibles, net		$ 1.2
Average remaining life (years)		1 year
Developed product technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value		$ 14.9
Accumulated amortization		12.7
Amortizable intangibles, net		$ 2.2
Average remaining life (years)		1 year
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	$ 13.5	$ 11.4
Accumulated amortization	10.4	9.9
Amortizable intangibles, net	$ 3.1	$ 1.5
Average remaining life (years)	3 years	3 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

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.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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