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PENSION AND OTHER POSTRETIREMENT BENEFITS (Details 6) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 30, 2012 | Dec. 25, 2011 | Dec. 26, 2010
Pension Plans, Defined Benefit [Member] |  |  |
Net actuarial loss (gain), beginning of year | $ 31,108 | $ 9,708 | $ 10,017
Amortization | (465) | (96) | (1)
Curtailment and settlement adjustments | 0 | 0 | (1,768)
Actuarial loss (gain) | 24,872 | 12,072 | 6,675
Asset loss (gain) | (2,147) | 9,424 | (5,215)
Net actuarial loss (gain), end of year | 53,368 | 31,108 | 9,708
Net prior service cost, beginning of year | 0 | 19 | 58
Amortization | 0 | (19) | (39)
Net prior service cost, end of year | 0 | 0 | 19
Other Postretirement Benefit Plans, Defined Benefit [Member] |  |  |
Net actuarial loss (gain), beginning of year | (217) | (47) | (50)
Amortization | 2 | 0 | 0
Curtailment and settlement adjustments | 7 | 0 | 0
Actuarial loss (gain) | 159 | (170) | 3
Asset loss (gain) | 0 | 0 | 0
Net actuarial loss (gain), end of year | (49) | (217) | (47)
Net prior service cost, beginning of year | 0 | 0 | 0
Amortization | 0 | 0 | 0
Net prior service cost, end of year | $ 0 | $ 0 | $ 0

X
- Definition Amount of actuarial gain (loss) that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases (decreases) in other comprehensive income as they arise. + References No definition available. + Details
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X
- Definition Amount of amortization gain (loss) that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases (decreases) in other comprehensive income as they arise. + References No definition available. + Details
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X
- Definition Amount related amortization of benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as components of net periodic benefit cost. + References No definition available. + Details
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X
- Definition Amount of asset gain (loss) that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases (decreases) in other comprehensive income as they arise. + References No definition available. + Details
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Namespace Prefix: | ppc_
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X
- Definition Amount of curtailment and settlement adjustments gain (loss) that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases (decreases) in other comprehensive income as they arise. + References No definition available. + Details
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Namespace Prefix: | ppc_
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X
- Definition After tax net amount of gain (loss) that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases (decreases) in other comprehensive income as they arise. + References No definition available. + Details
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X
- Definition Amount related to after tax cost of benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as components of net periodic benefit cost. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax
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