Acquistions and Dispositions (Details) In Thousands, unless otherwise specified	0 Months Ended			0 Months Ended
Jun. 08, 2012 USD ($)	Jun. 30, 2013 USD ($)	Dec. 31, 2012 USD ($)	Jul. 19, 2012 Parspro USD ($)	Jun. 08, 2012 Provoloto USD ($)	Jun. 07, 2012 Technology and Gaming GBP (£)
Business Acquisition [Line Items]
Equity interests acquired	$ 9,720			$ 11,800	$ 9,720	£ 3,450
Non-cash estimated earn-out for sellers and contingent on future performance on equity interests acquired of SG Provoloto, S. de R.L. de C.V.	2,000				2,000
Goodwill		$ 781,418	$ 801,373	$ 9,900	$ 5,100	£ 2,200
Ownership percentage					100.00%

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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This element represents the amount of any change recognized during the period in the high-end of the estimated range of outcomes (undiscounted) of a liability assumed in a business combination arising from an item of contingent consideration.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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