|
Weighted Average Assumptions Used In Determining Net Periodic Cost (Detail)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Defined Benefit Plan Disclosure [Line Items] | |||
| Expected return on plan assets | 7.50% | 8.00% | |
|
Pension
|
|||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Discount Rate | 4.20% | 5.00% | 5.75% |
| Expected return on plan assets | 7.50% | 7.50% | 8.00% |
| Rate of compensation increases | 3.00% | 3.00% | 3.00% |
|
Health Care And Life
|
|||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Discount Rate | 4.20% | 5.00% | 5.75% |
| Expected return on plan assets | 5.60% | 7.00% | 6.00% |