Acquisitions And New Ventures Acquisitions And New Ventures - Identifiable Assets Acquired and Liabilities Assumed (Details) (USD $)	0 Months Ended	6 Months Ended
	Dec. 16, 2014	Dec. 31, 2013	Jul. 17, 2013	Dec. 31, 2014
Oxford Acquisition [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Accounts receivable			$ 252,000
Prepaid expenses			675,000
Inventory			124,000
Property and equipment			45,105,000
Goodwill		50,200,000	50,202,000
Other intangible assets			64,693,000
Total assets acquired			161,051,000
Accounts payable			1,063,000
Accrued expenses			5,111,000
Other liabilities			5,000
Total liabilities acquired			6,179,000
Purchase price, net of cash acquired			154,872,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents			13,700,000
Big Fish Games [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Accounts receivable	19,274,000
Business Combination, Income Taxes Receivable	18,087,000
Prepaid expenses	9,727,000
Business Combination, Assets, Deferred Income Taxes	905,000
Business Combination, Other Assets	1,780,000
Property and equipment	14,632,000
Goodwill	538,904,000			538,900,000
Other intangible assets	362,863,000
Total assets acquired	966,172,000
Accounts payable	9,064,000
Accrued expenses	16,987,000
Business Combination, Income Tax Payable	210,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue	37,250,000
Business Combination, Liabilities, Deferred Income Taxes	96,182,000
Other liabilities	2,821,000
Total liabilities acquired	162,514,000
Purchase price, net of cash acquired	803,658,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	34,700,000
Contractual Rights [Member] | Oxford Acquisition [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other intangible assets			58,500,000
Trade Names [Member] | Oxford Acquisition [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other intangible assets			2,400,000
Trade Names [Member] | Big Fish Games [Member]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other intangible assets	200,000,000
In Process Research and Development [Member] | Big Fish Games [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other intangible assets	12,700,000
Technology-Based Intangible Assets [Member] | Big Fish Games [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	4 years
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other intangible assets	87,000,000
Customer Relationships [Member] | Oxford Acquisition [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life		6 years
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other intangible assets			1,700,000
Customer Relationships [Member] | Big Fish Games [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other intangible assets	32,663,000
Other Intangible Assets [Member] | Oxford Acquisition [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life		20 years
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other intangible assets			2,093,000
Strategic Developer Relationships [Member] | Big Fish Games [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	6 years
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Other intangible assets	$ 30,500,000