Summary of Company's Balance Sheet Related Pension and Other Postretirement Benefit Plan (Detail) (USD $) In Thousands, unless otherwise specified	Oct. 06, 2012	Dec. 31, 2011
Post-Retirement Plans [Abstract]
Current benefit liability	$ 1,335	$ 1,335
Noncurrent benefit liability	133,831	155,263
Accumulated other comprehensive loss	$ 94,996	$ 97,139

The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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+ Details

- Definition

For a classified balance sheet, the amount recognized in balance sheet as a current liability associated with an underfunded defined benefit plan.

+ References+ Details

- Definition

This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

+ References

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+ Details