Intangible Assets, net and Goodwill - Reconciliation of the Carrying Amount of Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)
Goodwill [Roll Forward]
Balance at the beginning of the period	$ 3,013.7
Foreign currency adjustments	(22.7)
Balance at the end of the period	2,991.0
Interactive
Goodwill [Roll Forward]
Balance at the beginning of the period	2,486.0
Foreign currency adjustments	(27.1)
Balance at the end of the period	2,458.9
Lottery
Goodwill [Roll Forward]
Balance at the beginning of the period	417.9
Foreign currency adjustments	4.4
Balance at the end of the period	422.3
Interactive
Goodwill [Roll Forward]
Balance at the beginning of the period	109.8
Foreign currency adjustments	0.0
Balance at the end of the period	$ 109.8