Impairments and Assets Held For Sale (Details)	3 Months Ended								12 Months Ended
	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($) unit	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) unit	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Property, Plant and Equipment [Abstract]
Number of reporting units | unit				9					9
Segment Reporting Information [Line Items]
Goodwill impairment									$ 0	$ 0	$ 69,000,000
Income tax benefit									(13,100,000)	(14,500,000)	125,000,000
Assets held for sale	$ 36,400,000				$ 0				36,400,000	0
Depreciation and amortization	$ 162,600,000	$ 166,300,000	$ 172,700,000	$ 188,100,000	169,600,000	$ 173,100,000	$ 175,000,000	$ 165,100,000	689,700,000	682,800,000	738,700,000
Net cash proceeds from asset sales									40,000,000	7,500,000	16,700,000
Gain on sale of assets									$ 16,300,000	(900,000)	$ 2,800,000
Lottery systems
Segment Reporting Information [Line Items]
Goodwill impairment					69,000,000
Income tax benefit					14,500,000
Goodwill, fair value					$ 22,900,000					$ 22,900,000
Revenue Growth Rate | Lottery systems
Segment Reporting Information [Line Items]
Measurement inputs for valuation					0.020					0.020
Discount Rate | Lottery systems
Segment Reporting Information [Line Items]
Measurement inputs for valuation					0.080					0.080
Held-for-sale
Segment Reporting Information [Line Items]
Depreciation and amortization				$ 19,000,000