Income Taxes (Schedule of Components of Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Income tax based on income from continuing operations, at estimated tax rates of 39%, 33%, and 30%, respectively	$ 19,769	$ 17,814	$ 14,381
Pension plan settlements	(39,460)
Redemption of life insurance policies			9,382
Income tax before discrete items	(19,691)	17,814	23,763
Provision for/resolution of tax audits and contingencies, net	(2,747)	289
Adjustments to prior period tax liabilities	(1,471)	(1,624)	100
Enacted legislation change	(973)	115	324
Provision for/adjustment to beginning of year valuation allowances	(2,442)	22,798
Change in tax status		(3,344)	(161)
Repatriation of non-U.S. prior years' earnings			(2,262)
Adjustment due to a prior year error		(3,553)
Other discrete tax adjustments, net	(199)	87	(742)
Total income tax (benefit)/expense	$ (27,523)	$ 32,582	$ 21,022
Estimated tax rate	39.00%	33.00%	30.00%

Income Tax (Benefit), Change In Tax Status.

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Income tax/(benefit) from continuing operations before discrete items.

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Income Tax Expense Benefit, Estimated Tax Rate.

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Income Tax Reconciliation, Adjustment Due To Prior Year Error.

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Redemption Of Life Insurance Policies, Tax Effect.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to changes in the income tax rates under enacted tax laws in the period.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to all other items not otherwise listed in the existing taxonomy.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the current period and the expected income tax expense or benefit computed attributable to revisions of previously reported income tax expense.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the repatriation of foreign earnings in the period.

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The sum of the differences between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in all income tax contingencies, whether recorded or adjusted, during the period.

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Tax effect of other comprehensive income (loss) attributable to both parent entity and noncontrolling interest.

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