Retirement Plans (Schedule Of Future Cash Flows) (Details) (USD $)	4 Months Ended	9 Months Ended
	Jan. 19, 2014	Sep. 28, 2014
Defined Benefit Plan Disclosure [Line Items]
Minimum required contribution for retirement plans	$ 0
Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net year-to-date contributions	6,269,000
Remaining estimated net contributions during fiscal 2012		18,100,000
Postretirement Healthcare Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net year-to-date contributions	289,000
Remaining estimated net contributions during fiscal 2012		$ 1,149,000