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Retirement Plans and Related Post Retirement Benefits - Assumptions Used to Calculate the Post Retirement Benefit Obligation (Detail)
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Dec. 31, 2013
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Dec. 31, 2012
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SERP [Member]
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| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Discount Rate | 5.10% | 4.20% |
| Future Average Compensation Increases | 5.00% | 5.00% |
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SERP Medical [Member]
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| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Discount Rate | 5.10% | 4.20% |
| X | ||||||||||
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- Definition
The interest rate used to adjust for the time value of money for the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Expected rate of compensation increases (for pay-related plans). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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