Intangible Assets and Goodwill (Schedule of Goodwil)l (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Balance at the beginning of the period	$ 4,108.3	$ 1,183.1
Acquisitions		2,956.1
Foreign currency adjustments	(59.6)	(30.9)
Balance at the end of the period	4,048.7	4,108.3
Interactive
Goodwill [Roll Forward]
Balance at the beginning of the period	3,499.7	612.7
Acquisitions		2,902.8
Foreign currency adjustments	(50.3)	(15.8)
Balance at the end of the period	3,449.4	3,499.7
Lottery
Goodwill [Roll Forward]
Balance at the beginning of the period	498.8	513.9
Acquisitions		0.0
Foreign currency adjustments	(9.3)	(15.1)
Balance at the end of the period	489.5	498.8
Interactive
Goodwill [Roll Forward]
Balance at the beginning of the period	109.8	56.5
Acquisitions		53.3
Foreign currency adjustments	0.0	0.0
Balance at the end of the period	$ 109.8	$ 109.8