Income Taxes (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Income tax, one time charge		$ 34,473,000	$ 60,502,000	$ 47,537,000
Estimated undistributed earnings from non-United States subsidiaries		7,100,000
Operating loss carryforwards, not subject to expiration		11,200,000
Valuation allowance	30,955,000	24,173,000	30,955,000
Accrued Interest and penalties related to uncertain tax positions	7,700,000	9,100,000	7,700,000
Interest and penalties expense related to uncertain tax positions	600,000	800,000		1,200,000
Scenario, Forecast [Member]
Operating Loss Carryforwards [Line Items]
Estimated decrease in unrecognized tax benefits		700,000
Investor [Member]
Operating Loss Carryforwards [Line Items]
Uncertain tax benefits that would impact effective tax rate	8,500,000	11,200,000	8,500,000
Unrecognized Tax Benefits, that Would Not Impact Effective Tax Rate		44,100,000
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		55,000,000
Operating loss carryforwards, subject to expiration		18,900,000
State [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		94,800,000
Operating loss carryforwards, subject to expiration		86,700,000
Foreign [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		25,400,000
Capital and Net Operating Losses Expected to Expire [Member]
Operating Loss Carryforwards [Line Items]
Change in valuation allowance		$ 6,800,000