Summary of Significant Accounting Policies (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jun. 16, 2011
Summary of Significant Accounting Policies [Line Items]
Advertising Expense			$ 154,371	$ 105,068	$ 92,184
Accounts Receivable, Net, Noncurrent			41,983
Propert and Equipment, Net			70,890	63,814
Finite-lived Intangible Assets, Net			221,283	285,773
Indefinite-lived Trademarks			19,900	19,900
Goodwill			$ 79,305	$ 83,173
Percentage of Total Assets			15.00%
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			527
Number Of Shares Received In New Company From Distribution						1
Number Of Prior Company Shares Held To Receive One Share In New Company, From Distribution						4
Basic Weighted Average Common Shares	69,161,000	69,161,000	70,374,000	69,283,000	69,161,000
Weighted Average Number of Shares Outstanding, Diluted	69,161,000	69,161,000	72,236,000	70,731,000	69,161,000
Stockholders Entitled Election of Board of Directors			25.00%
Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Deferred Carriage Fees Contractual Period			13