Condensed Consolidated Statements of Stockholders' Deficiency (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	$ (89,030)
Net (loss) income	(7,690)
Pension-related minimum liability adjustments, net of income taxes	517
Forward contract adjustments, net of income taxes	9
Unrealized gain on long-term investment securities, accounted for under the equity method, net of income taxes	1,810
Change in net unrealized gain on investment securities, net of income taxes	(6,679)
Total other comprehensive loss	(4,343)
Comprehensive (loss) income	(12,033)
Distributions and dividends on common stock	(32,467)
Note conversion	2
Exercise of employee stock options	45
Tax benefit of employee stock options exercised	4
Amortization of deferred compensation	810
Ending Balance	(132,669)
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	7,944
Beginning Balance (in shares)	79,441,991
Net (loss) income	0
Pension-related minimum liability adjustments, net of income taxes	0
Forward contract adjustments, net of income taxes	0
Unrealized gain on long-term investment securities, accounted for under the equity method, net of income taxes	0
Change in net unrealized gain on investment securities, net of income taxes	0
Distributions and dividends on common stock	0
Note conversion	0
Note conversion (in shares)	125
Exercise of employee stock options	1
Exercise of employee stock options (in shares)	3,096
Tax benefit of employee stock options exercised	0
Amortization of deferred compensation	0
Ending Balance	7,945
Ending Balance (in shares)	79,445,212
Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	0
Net (loss) income	0
Pension-related minimum liability adjustments, net of income taxes	0
Forward contract adjustments, net of income taxes	0
Unrealized gain on long-term investment securities, accounted for under the equity method, net of income taxes	0
Change in net unrealized gain on investment securities, net of income taxes	0
Distributions and dividends on common stock	(860)
Note conversion	2
Exercise of employee stock options	44
Tax benefit of employee stock options exercised	4
Amortization of deferred compensation	810
Ending Balance	0
Accumulated Deficit [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(80,440)
Net (loss) income	(7,690)
Pension-related minimum liability adjustments, net of income taxes	0
Forward contract adjustments, net of income taxes	0
Unrealized gain on long-term investment securities, accounted for under the equity method, net of income taxes	0
Change in net unrealized gain on investment securities, net of income taxes	0
Distributions and dividends on common stock	(31,607)
Note conversion	0
Exercise of employee stock options	0
Tax benefit of employee stock options exercised	0
Amortization of deferred compensation	0
Ending Balance	(119,737)
Accumulated Other Comprehensive (Loss) Income [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(3,677)
Net (loss) income	0
Pension-related minimum liability adjustments, net of income taxes	517
Forward contract adjustments, net of income taxes	9
Unrealized gain on long-term investment securities, accounted for under the equity method, net of income taxes	1,810
Change in net unrealized gain on investment securities, net of income taxes	(6,679)
Distributions and dividends on common stock	0
Note conversion	0
Exercise of employee stock options	0
Tax benefit of employee stock options exercised	0
Amortization of deferred compensation	0
Ending Balance	(8,020)
Treasury Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(12,857)
Net (loss) income	0
Pension-related minimum liability adjustments, net of income taxes	0
Forward contract adjustments, net of income taxes	0
Unrealized gain on long-term investment securities, accounted for under the equity method, net of income taxes	0
Change in net unrealized gain on investment securities, net of income taxes	0
Distributions and dividends on common stock	0
Note conversion	0
Exercise of employee stock options	0
Tax benefit of employee stock options exercised	0
Amortization of deferred compensation	0
Ending Balance	$ (12,857)