Goodwill and Other Intangibles Amortizable Intangibles (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	$ 154.6	$ 158.7
Accumulated amortization	42.5	32.0
Amortizable intangibles, net	112.1us-gaap_FiniteLivedIntangibleAssetsNet	126.7us-gaap_FiniteLivedIntangibleAssetsNet
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	100.5	100.5
Accumulated amortization	11.5	6.4
Amortizable intangibles, net	89.0	94.1
Average remaining life (years)	17 years	18 years
Licensing arrangements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	28.8	28.8
Accumulated amortization	15.2	8.3
Amortizable intangibles, net	13.6	20.5
Average remaining life (years)	2 years	3 years
Developed product technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	14.9	14.9
Accumulated amortization	6.8	3.8
Amortizable intangibles, net	8.1	11.1
Average remaining life (years)	3 years	4 years
Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value		5.2
Accumulated amortization		5.2
Amortizable intangibles, net		0
Average remaining life (years)		0 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	10.4	9.3
Accumulated amortization	9.0	8.3
Amortizable intangibles, net	$ 1.4	$ 1.0
Average remaining life (years)	2 years	2 years

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

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=26713463&loc=d3e16323-109275

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

+ References

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- Definition

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

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- 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

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