Supplemental Balance Sheet Information (Balance Sheet Components) (Details) (USD $) In Millions, unless otherwise specified	Mar. 29, 2015	Dec. 28, 2014
Derivatives, Fair Value [Line Items]
Deferred tax assets	$ 42.0us-gaap_DeferredTaxAssetsNetCurrent	$ 42.8us-gaap_DeferredTaxAssetsNetCurrent
Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Deferred tax assets	42.0	42.8
Income tax receivable	1.6	13.6
Other assets, net
Derivatives, Fair Value [Line Items]
Deferred compensation assets	50.7	49.6
Accrued liabilities
Derivatives, Fair Value [Line Items]
Salaries and wages	79.7	108.7
Customer deposits and credits	47.0	47.9
Other long-term liabilities
Derivatives, Fair Value [Line Items]
Accrued pension obligation	13.5	14.2
Accrued postretirement benefits	11.3	11.6
Deferred compensation liabilities	47.1	45.8
Deferred tax liabilities	$ 78.7	$ 77.3

Accrued Pension Obligation, Noncurrent

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Accrued Postretirement Obligation, Noncurrent

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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Total carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue or other forms of income in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

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-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, netted by jurisdiction and classified as noncurrent.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

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-Subparagraph (SX 210.9-03.10)

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