Income Taxes (Schedule of Net Deferred Tax Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Net operating loss and tax credit carryforwards	$ 132,820	$ 131,359
Compensation and benefits	1,590	3,766
Indemnification liabilities	5,946	7,440
Other, net	4,909	5,450
Federal benefit of uncertain tax positions	10,216	9,931
Pension costs	1,154	15,746
Total deferred tax assets before valuation allowance	156,635	173,692
Less valuation allowance	(7,228)	(7,108)
Net deferred tax assets	149,407	166,584
Deferred installment sale	(37,974)	(38,818)
Investments in and advances to affiliates	(28,848)	(9,883)
Total deferred tax liabilities	(66,822)	(48,701)
Current deferred tax assets	3,784	4,165
Long-term deferred tax assets	83,708	117,381
Other current liabilities		(3,663)
Long-term liabilities	(4,907)
Net deferred tax assets	$ 82,585	$ 117,883