Summary of Significant Accounting Policies - Additional Information (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Marketing and Advertising Expense:
Advertising Expense	$ 1,100,000	$ 6,700,000	$ 5,200,000	$ 9,800,000
Credit Concentration Risk | Advertising Revenue Local Businesses
Concentration Risk:
Concentration of Credit Risk			85.00%
Credit Concentration Risk | Advertising Revenue Large Regional Chains
Concentration Risk:
Concentration of Credit Risk			15.00%
Interest Expense
Interest Expense, Net:
Amortization of the Fair Value Adjustment	6,200,000	7,500,000	13,800,000	14,800,000
Interest Rate Swaps and Interest Rate Caps | Not Designated as Hedging Instrument | Interest Expense
Interest Expense, Net:
Derivative, Gain (Loss) on Derivative, Net	$ 600,000	$ (400,000)	$ 800,000	$ 300,000