Taxes on Income Taxes on Income (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 23, 2013	Jun. 14, 2014	Jun. 15, 2013
Income Tax Disclosure [Abstract]
Proceeds from company-owned life insurance policies	$ 68.7	$ 0	$ 68.7
Reduction in income tax expense due to reversal of deferred tax liability	17.2
Reduction in income tax expense due to resolution of federal tax matters	$ 5.0

Effective Income Tax Rate Reconciliation, Reversal of Deferred Tax Liability on Life Insurance

No definition available.

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- Details

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- Definition

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 other adjustments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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- Definition

The cash inflow for proceeds from life insurance policies for which the entity is the beneficiary.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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