Employee Pension and Profit Sharing Plans - Accumulated Benefit Obligation In Excess of Plan Assets (Details) (Pension Plans, USD $) In Thousands, unless otherwise specified	Sep. 28, 2012	Sep. 30, 2011
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	$ 302,072	$ 244,754
Accumulated benefit obligation	274,701	205,537
Fair value of plan assets	$ 217,044	$ 178,587

If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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- Definition

If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

+ References+ Details