Other Comprehensive Income Component of accumulated other comprehensive income (loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Other Comprehensive Income [Abstract]
Beginning Balance, Foreign Currency Translation			$ 82,955
Current Period Other Comprehensive Income, Foreign Currency Translation			220
Ending Balance, Foreign Currency Translation	83,175		83,175
Beginning Balance, Pension/Postretirement Plan Adjustment			(73,061)
Current Period Other Comprehensive Income, Pension/Postretirement Plan Adjustment	(10)	13,202	1,829	14,145
Ending Balance, Pension/Postretirement Plan Adjustment	(71,232)		(71,232)
Beginning Balance, Hedging Activities			(2,721)
Unrealized gains (losses) on hedging activities	1,462	(3,934)	1,750	(1,442)
Ending Balance, Hedging Activities	(971)		(971)
Beginning Balance, Accumulated Other Comprehensive Income			7,173
Current Period Other Comprehensive Income, Accumulated Other Comprehensive Income			3,799
Ending Balance, Accumulated Other Comprehensive Income	$ 10,972		$ 10,972

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

+ References+ Details

The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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+ Details

- Definition

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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+ Details

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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- Definition

Amount after tax and reclassification adjustments, resulting from the process of expressing in the reporting currency of the reporting entity those amounts that are denominated or measured in a different currency, and from transactions whose terms are denominated in a currency other than the entity's functional currency, which is attributable to the parent entity.

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+ Details

- Definition

Net of tax amount of other comprehensive income (loss) attributable to the parent entity.

+ References

+ Details

- Definition

Net of tax amount, before reclassification adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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