Taxes on Income (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Mar. 23, 2013	Sep. 06, 2014	Sep. 07, 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