Equity Investments (Details)	12 Months Ended				1 Months Ended	12 Months Ended				1 Months Ended	12 Months Ended					12 Months Ended					1 Months Ended	12 Months Ended				0 Months Ended	12 Months Ended				0 Months Ended	12 Months Ended			1 Months Ended	12 Months Ended			0 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Dec. 31, 2013 USD ($)		Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Oct. 31, 2010 Lotterie Nazionali S.r.l.	Dec. 31, 2013 Lotterie Nazionali S.r.l. USD ($)	Dec. 31, 2012 Lotterie Nazionali S.r.l. USD ($)	Dec. 31, 2011 Lotterie Nazionali S.r.l. USD ($)	Dec. 31, 2010 Lotterie Nazionali S.r.l. EUR (€)	Dec. 31, 2013 Northstar Lottery Group, LLC USD ($)	Dec. 31, 2013 Northstar Lottery Group, LLC USD ($)	Dec. 31, 2012 Northstar Lottery Group, LLC USD ($)	Dec. 31, 2011 Northstar Lottery Group, LLC USD ($)	Jun. 30, 2013 Northstar Lottery Group, LLC USD ($)	Jun. 30, 2012 Northstar Lottery Group, LLC USD ($)	Dec. 31, 2013 Northstar New Jersey and Northstar SupplyCo [Member] USD ($)	Dec. 31, 2013 Northstar New Jersey [Member] USD ($)	Dec. 31, 2012 Northstar New Jersey [Member] USD ($)	Dec. 31, 2011 Northstar New Jersey [Member] USD ($)	Dec. 31, 2013 Northstar SupplyCo New Jersey, LLC [Member]	Jul. 31, 2013 Hellenic Lotteries EUR (€)	Dec. 31, 2013 Hellenic Lotteries USD ($)	Dec. 31, 2012 Hellenic Lotteries USD ($)	Dec. 31, 2011 Hellenic Lotteries USD ($)	Sep. 30, 2013 Hellenic Lotteries	Oct. 12, 2007 CSG Lottery Technology (Beijing) Co. Ltd (CSG) USD ($)	Dec. 31, 2013 CSG Lottery Technology (Beijing) Co. Ltd (CSG) USD ($)	Dec. 31, 2012 CSG Lottery Technology (Beijing) Co. Ltd (CSG) USD ($)	Dec. 31, 2011 CSG Lottery Technology (Beijing) Co. Ltd (CSG) USD ($)	Dec. 31, 2009 CSG Lottery Technology (Beijing) Co. Ltd (CSG)	Nov. 15, 2007 Guard Libang USD ($)	Dec. 31, 2013 Guard Libang USD ($)	Dec. 31, 2012 Guard Libang USD ($)	Dec. 31, 2011 Guard Libang USD ($)	Feb. 28, 2007 Roberts Communications Network, LLC (RCN)	Dec. 31, 2013 Roberts Communications Network, LLC (RCN) USD ($)	Dec. 31, 2012 Roberts Communications Network, LLC (RCN) USD ($)	Dec. 31, 2011 Roberts Communications Network, LLC (RCN) USD ($)	Jan. 21, 2010 Sciplay entity	Dec. 31, 2013 Sportech Plc	Jan. 31, 2014 Sportech Plc Subsequent event GBP (£)	Dec. 31, 2013 International Terminal Leasing USD ($)	Dec. 31, 2012 International Terminal Leasing USD ($)	Dec. 31, 2011 International Terminal Leasing USD ($)
Equity Method Investments
Equity interest (as a percent)						20.00%				20.00%	20.00%						17.69%			30.00%					16.50%	49.00%					50.00%				29.40%				50.00%	20.00%
Concession, initial term					9 years
Concession, evaluation period					5 years
Concession, extension term					9 years
Equity method investment	$ 367,200,000		$ 316,200,000			$ 2,500,000
Upfront fees associated with the new concession									800,000,000												190,000,000
Upfront fees share related to the entity																					31,400,000
Upfront fees amortization									89,000,000
Proportionate share of amortization of upfront fees									18,000,000
Earnings (loss) from equity investments	1,500,000		28,100,000	29,400,000		17,900,000	17,900,000	18,600,000			(4,500,000)	(2,600,000)	(1,700,000)			900,000											6,900,000	8,300,000	9,700,000			5,700,000	1,700,000	2,800,000			6,400,000	2,400,000				16,500,000	3,800,000	2,700,000
Cash dividends																																				3,200,000
Revenue from the sale of instant tickets to equity method investment						52,000,000	52,000,000	56,900,000			25,000,000	24,600,000	14,000,000				1,200,000
Accounts receivable from equity method investment						13,000,000				7,900,000	7,900,000						1,200,000
Equity method investment, received dividends	29,500,000		38,100,000	35,200,000		18,300,000	17,700,000	26,300,000			0	0	0				0	0	0			0	0	0			6,300,000	9,300,000	5,400,000			0	0	0		3,200,000	11,700,000	3,600,000				2,400,000	0
Equity method investment, distributions of capital	(86,100,000)		0	(37,200,000)		17,600,000	21,000,000	17,800,000			0	0	0				0	0	0			0	0	0			0	0	0			0	0	0		0	0	0				2,400,000	3,800,000	0
Agreement term											10 years
Cap percentage of lottery net income, annual incentive compensation payments											5.00%
Downward adjustment to net income target											2,900,000	28,400,000
Investee estimated shortfall payment														39,000,000	22,000,000
Investee recorded liability estimated shortfall payment										42,000,000	42,000,000
Payment to equity method investment, capital call shortfall payments										13,800,000
Investee payment to third party																	120,000,000
Contribution to investee																	21,500,000
Contribution of working capital																	7,200,000				300,000
Incentive compensation cap, percentage of net income																	5.00%
Investee payment to third party cap, percentage of net income																	2.00%
Investee payment to third party, shortfall credit																	20,000,000
Economic interest																				30.00%
Capital requirements, percentage																				30.00%
Payments to equity method investment	65,400,000		(24,900,000)	19,400,000																	31,700,000					7,400,000					28,000,000
Concession period																					12 years
Term of revenue agreement (in years)																														15 years
Royalty fee from investee for intellectual property rights, percentage of total gross profits distributed by joint venture																											1.00%
Percentage interest in NASRIN, which was sold in exchange for interest in equity investment																																			70.00%
Number of entities formed to enter into joint venture																																							2
Time lag allowed under Accounting Standards Codification (in days)																																								90 days
Equity method investment impairment																																6,400,000
Gain (loss) on sale of equity investment																																									9,000,000
Sales proceeds																																									27,800,000
Combined financial summary information
Revenues	901,100,000	[1]	949,500,000	907,700,000
Revenues less cost of revenue	398,400,000	[1]	506,400,000	461,700,000
Net income	90,400,000	[1]	111,200,000	124,500,000
Current assets	870,500,000		682,300,000
Noncurrent assets	1,500,900,000		1,273,900,000
Current liabilities	621,900,000		496,400,000
Noncurrent liabilities	$ 156,900,000		$ 148,500,000

[1] No equity method investments were deemed significant for the year ended December 31, 2013 under applicable SEC rules. This information is included for informational purposes only.