The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

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

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+ Details

Retiree Benefits (Details Textual) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
Retiree Benefits (Details Textual) (USD $)	Apr. 26, 2013	Apr. 27, 2012	Apr. 26, 2013	Apr. 27, 2012	Oct. 25, 2013
Retiree Benefits (Textual) [Abstract]
Pension contributions			$ 92,223,000	$ 92,063,000
Pension Plans, Defined Benefit
Retiree Benefits (Textual) [Abstract]
Pension contributions			92,200,000
Estimated employer contribution to defined benefit plan in current fiscal year, minimum					180,000,000
Estimated employer contribution to defined benefit plan in current fiscal year, maximum					190,000,000
Curtailment loss	$ 0	$ 1,077,000	$ 0	$ 1,077,000