Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 28, 2014	Dec. 28, 2014	Jun. 29, 2014
Income Tax Disclosure [Abstract]
U.S. statutory tax rate		35.00%
Income Tax Benefit, Research and Development, Amount	$ 1.9
Unrecognized tax benefits balance	18.2us-gaap_UnrecognizedTaxBenefits	18.2us-gaap_UnrecognizedTaxBenefits	18.4us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits, Period Increase (Decrease)		0.2
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 18.2	$ 18.2

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.

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

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

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-Glossary Unrecognized Tax Benefit

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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