Note 3. Long-Term Debt and Other Financial Instruments (Details) (USD $) Share data in Millions, unless otherwise specified	1 Months Ended	3 Months Ended			9 Months Ended			3 Months Ended		1 Months Ended			9 Months Ended			5 Months Ended	2 Months Ended	3 Months Ended	2 Months Ended	5 Months Ended	2 Months Ended			3 Months Ended	9 Months Ended		2 Months Ended
	Mar. 31, 2012	Sep. 30, 2013	Sep. 23, 2012	Jun. 24, 2012	Sep. 30, 2013	Sep. 23, 2012	May 31, 2012	Sep. 30, 2013 Unfunded Term Loan Commitment [Member]	Sep. 30, 2013 Warrant Agreement with Berkshire Hathaway [Member]	Jun. 30, 2012 BH Finance LLC [Member] Term Loan [Member]	Sep. 30, 2013 BH Finance LLC [Member] Term Loan [Member]	May 31, 2012 BH Finance LLC [Member] Term Loan [Member]	Sep. 30, 2013 BH Finance LLC [Member] Revolving Credit Facility [Member]	May 31, 2012 BH Finance LLC [Member] Revolving Credit Facility [Member]	Sep. 30, 2013 BH Finance LLC [Member] Step Down Percentage if Total Leverage Reaches Threshold [Member] Term Loan [Member]	May 31, 2012 London Interbank Offered Rate (LIBOR) [Member] Previous Bank Credit Facility [Member]	Sep. 30, 2013 London Interbank Offered Rate (LIBOR) [Member] Term Loan [Member]	Sep. 30, 2013 London Interbank Offered Rate (LIBOR) [Member] Shield Media Term Loan [Member]	Sep. 30, 2013 London Interbank Offered Rate (LIBOR) [Member] Revolving Credit Facility [Member]	May 31, 2012 Previous Bank Credit Facility [Member]	Sep. 30, 2013 Term Loan [Member]	Jul. 31, 2013 Term Loan [Member]	Dec. 31, 2012 Term Loan [Member]	Sep. 30, 2013 Shield Media Term Loan [Member]	Sep. 30, 2013 Senior Notes [Member]	Dec. 31, 2012 Senior Notes [Member]	Sep. 30, 2013 Revolving Credit Facility [Member]	Jul. 31, 2013 Revolving Credit Facility [Member]
Note 3. Long-Term Debt and Other Financial Instruments (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)														$ 45,000,000													$ 30,000,000	$ 60,000,000
Debt Instrument, Face Amount (in Dollars)											302,000,000										301,537,000	885,000,000	301,537,000		299,800,000	299,800,000
Debt Instrument, Term																					7 years			5 years			5 years
Debt Instrument, Basis Spread on Variable Rate																7.00%	3.25%	3.25%	2.75%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum																	1.00%			1.50%
Payments of Debt Issuance Costs (in Dollars)		16,000,000			16,243,000	28,772,000
Debt Related Commitment Fees and Debt Issuance Costs (in Dollars)								500,000
Debt Instrument, Interest Rate, Stated Percentage								3.25%			10.50%				9.00%										11.75%	11.75%
Long-term Debt, Gross (in Dollars)												400,000,000												32,000,000
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars)																											15,000,000
Debt Instrument Issuance Price Percentage Of Face Value																									97.69%
Repayments of Long-term Debt (in Dollars)										98,000,000
Loan Discount, Percent												11.50%
Debt Instrument Repayment Prior To Maturity Price As Percentage Of Principal Amount												100.00%
Debt Instrument, Call Premium, Percentage												14.50%													5.875%
Line of Credit Facility, Interest Rate at Period End													10.00%
Line of Credit Facility, Commitment Fee Percentage													2.00%							2.50%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)									4.6
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed																									100.00%
Debt Modifications And Extinguishment Costs Related To Secured Financing (in Dollars)			17,318,000			35,415,000
Debt Modifications and Extinguishment Costs Related to Secured Financing with Berkshire Hathaway and Repayment of Previous Credit Facility (in Dollars)				7,700,000
Deferred Finance Costs, Gross (in Dollars)							11,500,000
Debt Modification and Extinguishment Costs Relating to Amendment of Previous Bank Credit Agreement (in Dollars)	10,400,000
Payment-in-kind (PIK) Interest, Percentage																				1.50%
PIK Interest Paid (in Dollars)																				$ 1,000,000