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Retirement Benefits (Pretax Amounts Recognized In Accumulated Other Comprehensive Income (Loss)-2011) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011
U.S. Plans [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Net loss in current year | $ (15,374)
Amortization of prior service cost (credit) | 178
Amortization of net loss (gain) | 4,678
Total | (10,518)
Non-U.S. Plans [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Net loss in current year | (1,855)
Prior service cost | (9)
Amortization of prior service cost (credit) | 10
Amortization of net loss (gain) | 432
Exchange rate effect on amounts in OCI | 273
Total | (1,149)
Other Postretirement Benefit Plans [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Net loss in current year | (60)
Amortization of prior service cost (credit) | (346)
Amortization of net loss (gain) | 190
Exchange rate effect on amounts in OCI | (15)
Total | $ (231)

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