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Employee Benefit Plans (Details 8)
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12 Months Ended | |
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Dec. 31, 2011
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Dec. 31, 2010
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| Summary of target asset allocation and actual asset allocation for defined benefit pension plans | ||
| Target Asset Allocation, Debt Securities | 65.00% | |
| Target Asset Allocation, Equity Securities | 35.00% | |
| Target Asset Allocation, percentage of assets, Total | 100.00% | |
| Actual Asset Location, Debt Securities | 66.00% | 57.00% |
| Actual Asset Location, Equity Securities | 33.00% | 42.00% |
| Actual Asset Location, Cash or cash equivalents | 1.00% | 1.00% |
| Actual Plan Asset Allocations, Total | 100.00% | 100.00% |
| X | ||||||||||
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- Definition
Defined benefit plan cash plan assets. No definition available.
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- Definition
Defined benefit plan target allocation percentage of assets. No definition available.
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- Definition
The percentage of the fair value of debt securities to the fair value of total plan assets held as of the measurement date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The percentage of the fair value of equity securities to the fair value of total plan assets held as of the measurement date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Target allocation percentage of investments in debt securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Target allocation percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. No definition available.
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| X | ||||||||||
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- Definition
The aggregate percentage of the fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of total plan assets held as of the measurement date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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