Organization And Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended			15 Months Ended
	Sep. 30, 2011 segments	Dec. 31, 2012 segments Y M country member	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 segments country member
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of Members		33,000,000			33,000,000
Number of Countries		40			40
Number of Hours		1000000000 hours
Number of Operating Segments	2	3			3
License agreement, payment terms minimum (months)		6
License agreement, payment terms maximum (years)		5
New release DVD useful life		1 year
Back-catalog DVD useful life		3 years
Advertising expense		$ 377.2	$ 299.1	$ 212.4
Income tax examination, likelihood of unfavorable settlement, percentage		50.00%
Cumulative translation adjustment		1.4			1.4
Foreign currency transaction gain (loss)		$ (4.0)
Minimum [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Streaming license agreement payment term period		3 years
Maximum [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Streaming license agreement payment term period		5 years
Property And Equipment [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life (years)		30 years
Cash Equivalents [Member] | Original Maturity Number Of Days Or Less [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Investments original maturity (in days)		90
Available-For-Sale Securities [Member] | Original Maturity Number Of Days Or More [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Investments original maturity (in days)		90