Pension and Other Postretirement Benefits (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012
U.S. Pension Benefits [Member]
Amounts included in accumulated other comprehensive loss to be recognized over next year
Net actuarial loss	$ 7,232
Prior service cost	665
Total amounts included in accumulated other comprehensive loss to be recognized over next year	7,897
Foreign Pension Benefits [Member]
Amounts included in accumulated other comprehensive loss to be recognized over next year
Net actuarial loss	710
Prior service cost	0
Total amounts included in accumulated other comprehensive loss to be recognized over next year	710
Other Postretirement Benefits [Member]
Amounts included in accumulated other comprehensive loss to be recognized over next year
Net actuarial loss	335
Prior service cost	85
Total amounts included in accumulated other comprehensive loss to be recognized over next year	$ 420

The amounts in accumulated other comprehensive income related to gains and losses that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

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The amounts in accumulated other comprehensive income related to prior service cost or credit expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

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- Definition

The aggregate amount in accumulated other comprehensive income expected to be recognized as a component of net periodic benefit cost over the fiscal year that follows the most recent annual statement of financial position presented, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation.

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