Assets and Liabilities Held for Sale and Discontinued Operations (Assets and Liabilities Held for Sale) (Details) (USD $) In Millions, unless otherwise specified	Sep. 06, 2014		Dec. 28, 2013
Assets held for sale:
Other United States real estate assets held for sale	$ 9.8		$ 7.2
Total assets held for sale	61.7		143.9
Dominick's Stores [Member]
Assets held for sale:
Dominick's property, held for sale	51.9		136.7
Liabilities held for sale:
Deferred gain on property dispositions	0		9.0
Obligations under capital leases	0		5.2
Deferred rent	0		2.6
Other liabilities	8.7		1.4
Total liabilities held for sale	$ 8.7	[1]	$ 18.2	[1]

[1] Included in Other Accrued Liabilities on the consolidated balance sheet.