Consolidated Statements of Operations (unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net sales		$ 287.2	$ 284.0	$ 512.5	$ 521.7
Cost of goods sold		172.2	165.8	312.2	310.3
Gross profit		115.0	118.2	200.3	211.4
Selling, general and administrative expenses		72.8	68.7	145.6	132.1
Research and development expenses		5.2	4.8	10.0	8.9
Interest expense and related financing costs		17.5	17.7	34.5	30.2
Repositioning expenses				17.0
Restructuring expenses and asset impairments		9.8	0.1	10.9	1.0
Loss in Venezuela		1.6	0.0	1.6	0.0
Other income, net		(3.6)	(2.3)	(2.6)	(2.4)
Total costs and expenses		107.0	93.7	205.7	178.8
Income (loss) from continuing operations before income taxes		8.0	24.5	(5.4)	32.6
Provision for income taxes		(6.6)	(5.6)	(18.2)	(7.3)
Income (loss) from continuing operations		1.4	18.9	(23.6)	25.3
(Loss) income from discontinued operations, net of income taxes		(6.0)	11.7	2.1	23.5
Net (loss) income		(4.6)	30.6	(21.5)	48.8
Less: Net income attributable to noncontrolling interests		(0.1)	(0.3)	(0.1)	(0.7)
Net (loss) income attributable to GCP shareholders		(4.7)	30.3	(21.6)	48.1
Amounts Attributable to GCP Shareholders:
Income (loss) from continuing operations attributable to GCP shareholders		1.3	18.6	(23.7)	24.6
(Loss) income from discontinued operations, net of income taxes		$ (6.0)	$ 11.7	$ 2.1	$ 23.5
Basic earnings per share:
Income (loss) from continuing operations attributable to GCP shareholders (in usd per share)		$ 0.02	$ 0.26	$ (0.33)	$ 0.35
(Loss) income from discontinued operations, net of income taxes (in usd per share)		(0.08)	0.17	0.03	0.33
Net (loss) income attributable to GCP shareholders (in usd per share)		$ (0.07)	$ 0.43	$ (0.30)	$ 0.68
Weighted average number of basic shares		71.5	70.8	71.0	70.7
Diluted earnings per share:
Income (loss) from continuing operations attributable to GCP shareholders (in usd per share)	[1]	$ 0.02	$ 0.26	$ (0.33)	$ 0.35
(Loss) income from discontinued operations, net of income taxes (in usd per share)	[1]	(0.08)	0.16	0.03	0.33
Net (loss) income attributable to GCP shareholders (in usd per share)	[1]	$ (0.07)	$ 0.42	$ (0.30)	$ 0.68
Weighted average number of diluted shares	[1]	72.7	71.4	71.0	71.2
Repositioning
Repositioning expenses		$ 3.7	$ 4.7	$ 5.7	$ 9.0

[1] Dilutive effect only applicable to periods where there is net income from continuing operations.