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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 27, 2016	Sep. 27, 2015	Mar. 27, 2016	Jun. 28, 2015
Income Tax Disclosure [Abstract]
U.S. statutory tax rate			35.00%
Unrecognized tax benefits balance	$ 18.3		$ 18.3	$ 17.8
Unrecognized Tax Benefits, Period Increase			0.6
Unrecognized Tax Benefits, Period Decrease			0.1
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	18.3		18.3
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	4.3		$ 4.3
Expiration of Tax Credit Carryforward	0.6	$ 2.3
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 0.4	$ 1.5

X

- Definition

State Income Tax Credits - Expiration of Tax Credit Carryforward (the amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws)

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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

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

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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.

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

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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