Income Taxes (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended
	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Tax Credit Carryforward [Line Items]
Current Federal Tax Expense (Benefit)			$ 8,043,000	$ (3,244,000)	$ (4,749,000)
Income Tax Examination, Foreign Income Tax Expense (Benefit)			(4,947,000)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense			(3,309,000)	(20,000)	(1,150,000)
Income Tax Examination, Foreign Income Tax Expense (Benefit), Per Share		$ (0.28)	$ 0.15
Deferred Tax Assets, Gross	128,535,000		128,535,000	106,197,000
Deferred Tax Liabilities	40,899,000		40,899,000	43,095,000
Deferred Tax Assets, Valuation Allowance	119,895,000		119,895,000	90,430,000
Deferred Tax Assets (Liabilities), Net	32,259,000		32,259,000	27,328,000
Income Taxes Paid, Net			10,837,000	14,290,000	2,600,000
Unrecognized Tax Benefits, Excluding Interest and Penalties	9,401,000		9,401,000	3,525,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	4,029,000		4,029,000	720,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	9,401,000		9,401,000	3,525,000
Income Tax Expense (Benefit), Intraperiod Tax Allocation	1,956,000		5,758,000
Non-Cash Accrual Resulting from a Foreign Audit			(5,995,000)
Non-Cash Accrual Resulting from a Foreign Audit, Interest			(3,341,000)
Worker, Homeownership and Business Assistance Act [Member]
Tax Credit Carryforward [Line Items]
Current Federal Tax Expense (Benefit)					7,750,000
Internal Revenue Service (IRS) [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Liabilities, Current	0		0	3,140,000
Deferred Tax Assets, Operating Loss Carryforwards	35,372,000		35,372,000
Foreign Country [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Valuation Allowance	45,128,000		45,128,000
Deferred Tax Assets, Operating Loss Carryforwards	46,483,000		46,483,000
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration	46,056,000		46,056,000
State and Local Jurisdiction [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	380,000,000		380,000,000
Expiring in 2027 [Member] | Foreign Country [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Capital Loss Carryforwards	427,000		427,000
Expiring between 2013 and 2016 [Member] | State and Local Jurisdiction [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Capital Loss Carryforwards	156,000,000		156,000,000
Expiring between 2017 and 2026 [Member] | State and Local Jurisdiction [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Capital Loss Carryforwards	128,000,000		128,000,000
Expiring after 2027 [Member] | State and Local Jurisdiction [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Capital Loss Carryforwards	96,000,000		96,000,000
Expiring between 2014 and 2018 [Member] | Internal Revenue Service (IRS) [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Capital Loss Carryforwards	12,695,000		12,695,000
Expiring between 2019 and 2022 [Member] | Internal Revenue Service (IRS) [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Capital Loss Carryforwards	22,362,000		22,362,000
Expiring in 2031 [Domain] | Internal Revenue Service (IRS) [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Capital Loss Carryforwards	68,000		68,000
Indefinite [Domain] | Internal Revenue Service (IRS) [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Capital Loss Carryforwards	$ 247,000		$ 247,000