Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net income	$ 31.1	$ 13.7
Less: Net income attributable to the noncontrolling interest	26.7	0.0
Net income attributable to SciPlay	$ 4.4	$ 13.7
Denominator:
Weighted average shares of Class A common stock for basic EPS (in shares)	22.7
Effect of dilutive securities:
Stock-based compensation grants (in shares)	1.0
Weighted average shares of Class A common stock for diluted EPS (in shares)	23.7
Net income attributable to SciPlay per share of Class A common stock - basic (in dollars per share)	$ 0.19
Net income attributable to SciPlay per share of Class A common stock - diluted (in dollars per share)	$ 0.19