Income Taxes (Unrecognized Tax Benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning of year	$ 35.4us-gaap_UnrecognizedTaxBenefits	$ 42.6us-gaap_UnrecognizedTaxBenefits	$ 25.8us-gaap_UnrecognizedTaxBenefits
Increase (decrease) in prior year tax positions	4.3	3.5	18.1
Increase for tax positions taken during the current period	0.9	0.9	1.5
Reduction related to settlements with taxing authorities	(2.8)	(4.8)	0
Reduction related to lapse of the statute of limitations	(4.8)	(6.2)	(2.9)
Impact of exchange rate changes	(0.7)	(0.6)	0.1
End of year	$ 32.3us-gaap_UnrecognizedTaxBenefits	$ 35.4us-gaap_UnrecognizedTaxBenefits	$ 42.6us-gaap_UnrecognizedTaxBenefits

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of decrease in unrecognized tax benefits resulting from foreign currency translation.

+ References

No definition available.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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