Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income taxes [Line Items]
Excluded tax benefit of share-based compensation net operating losses	$ 20,200,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	2,200,000
Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract]
Income (Loss) before income taxes	47,334,000	62,792,000	(15,018,000)
Income (loss) from continuing operations before income taxes	47,334,000	62,792,000	(13,796,000)
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Income Tax Expense (Benefit)	32,942,000	25,046,000	26,577,000
Deferred Income Tax Expense (Benefit)	(6,005,000)	(342,000)	(3,678,000)
Income tax expense	26,937,000	24,704,000	22,899,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%	35.00%	35.00%
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	16,567,000	21,977,000	(5,256,000)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes	1,514,000	238,000	555,000
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other	426,000	2,838,000	4,785,000
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost	(89,000)	(76,000)	(220,000)
Income tax reconciliation, other permanent differences	1,096,000	(1,771,000)	(1,798,000)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential	(8,407,000)	(5,140,000)	(4,484,000)
Income Tax Reconciliation, Tax Contingencies, Foreign	(965,000)	1,285,000	(600,000)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses	8,149,000	0	20,246,000
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance	6,882,000	5,900,000	11,319,000
Effective Income Tax Rate Reconciliation, Other Adjustments	1,764,000	(547,000)	(1,648,000)
Effective Income Tax Rate, Continuing Operations	56.90%	39.30%	(152.50%)
Components of Deferred Tax Assets and Liabilities [Abstract]
Deferred Tax Assets, Operating Loss Carryforwards	28,285,000	49,146,000
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	6,344,000	7,168,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	7,109,000	4,568,000
Deferred tax assets, property, plant and equipment	5,221,000	5,473,000
Deferred tax assets, goodwill and intangible assets	37,265,000	41,665,000
Deferred tax assets, intercompany notes	9,532,000	13,386,000
Deferred Tax Assets, Other	14,945,000	8,614,000
Deferred Tax Assets, Gross	108,701,000	130,020,000
Deferred Tax Assets, Valuation Allowance	(89,863,000)	(84,624,000)
Deferred Tax Assets, Net	18,838,000	45,396,000
Deferred Tax Liabilities, Goodwill and Intangible Assets, Intangible Assets	(11,365,000)	(14,616,000)
Deferred Tax Liabilities, Goodwill and Intangible Assets, Goodwill	(4,735,000)	(6,604,000)
Deferred tax liabilities, accrued expenses	(7,004,000)	(4,538,000)
Deferred tax liabilities, intercompany notes	(915,000)	(2,022,000)
Deferred Tax Liabilities, Financing Arrangements	(703,000)	(30,194,000)
Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs	(1,863,000)	(1,276,000)
Deferred Tax Liabilities, Property, Plant and Equipment	(2,632,000)	(2,433,000)
Deferred Tax Liabilities, Other	(5,899,000)	(6,620,000)
Deferred Tax Liabilities	(35,116,000)	(68,303,000)
Deferred Tax Assets (Liabilities), Net	(16,278,000)	(22,907,000)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized Tax Benefits Period Start	12,045,000	8,473,000
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	1,293,000	3,193,000
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	355,000	735,000
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(1,208,000)	(356,000)
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	(1,115,000)	0
Unrecognized Tax Benefits Period End	11,370,000	12,045,000	8,473,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	5,700,000	6,500,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	2,400,000	1,800,000
Undistributed earnings of foreign subsidiaries indefinitely reinvested	404,500,000
UNITED STATES
Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	(3,002,000)	(9,300,000)	(13,149,000)
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Income Tax Expense (Benefit)	6,363,000	1,367,000	(55,000)
Deferred Income Tax Expense (Benefit)	369,000	1,206,000	780,000
Other Credit Derivatives [Member]
Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Foreign	50,336,000	72,092,000	(1,869,000)
Foreign Tax Authority [Member]
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Income Tax Expense (Benefit)	26,579,000	23,679,000	26,632,000
Deferred Income Tax Expense (Benefit)	(6,374,000)	(1,548,000)	(4,458,000)
US Federal and Foreign [Member]
Components of Deferred Tax Assets and Liabilities [Abstract]
Operating Loss Carryforwards	152,086,000	211,300,000
Operating Loss Carryforward, Tax Effected	43,925,000
State and Local Jurisdiction [Member]
Components of Deferred Tax Assets and Liabilities [Abstract]
Operating Loss Carryforwards	50,300,000	66,300,000
Expiring in One Year [Member] | US Federal and Foreign [Member]
Components of Deferred Tax Assets and Liabilities [Abstract]
Operating Loss Carryforwards	4,650,000
Operating Loss Carryforward, Tax Effected	894,000
Expiring in Two Years [Member] | US Federal and Foreign [Member]
Components of Deferred Tax Assets and Liabilities [Abstract]
Operating Loss Carryforwards	3,790,000
Operating Loss Carryforward, Tax Effected	865,000
Expiring in Three Years [Member] | US Federal and Foreign [Member]
Components of Deferred Tax Assets and Liabilities [Abstract]
Operating Loss Carryforwards	8,385,000
Operating Loss Carryforward, Tax Effected	1,711,000
Expiring in Four Years [Member] | US Federal and Foreign [Member]
Components of Deferred Tax Assets and Liabilities [Abstract]
Operating Loss Carryforwards	7,678,000
Operating Loss Carryforward, Tax Effected	1,727,000
Expiring in Five Years [Member] | US Federal and Foreign [Member]
Components of Deferred Tax Assets and Liabilities [Abstract]
Operating Loss Carryforwards	7,663,000
Operating Loss Carryforward, Tax Effected	1,637,000
Expiring in More than Five Years [Member] | US Federal and Foreign [Member]
Components of Deferred Tax Assets and Liabilities [Abstract]
Operating Loss Carryforwards	104,930,000
Operating Loss Carryforward, Tax Effected	34,196,000
Not Subject to Expiration [Member] | US Federal and Foreign [Member]
Components of Deferred Tax Assets and Liabilities [Abstract]
Operating Loss Carryforwards	14,990,000
Operating Loss Carryforward, Tax Effected	$ 2,895,000