Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of earnings per share

	Three Months Ended
	March 31,
In millions, except per share data	2020		2019
Net (Loss) Income Attributable to Graphic Packaging Holding Company	$	(12.7)	$	57.9
Weighted Average Shares:
Basic	288.9		297.5
Dilutive Effect of RSUs	—		0.7
Diluted	288.9		298.2
(Loss) Earnings Per Share — Basic	$	(0.04)	$	0.19
(Loss) Earnings Per Share — Diluted	$	(0.04)	$	0.19