Consolidated Statements of Operations (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net sales	$ 366.3	$ 373.7	$ 680.4	$ 696.4
Cost of goods sold	217.9	230.8	410.8	442.2
Gross profit	148.4	142.9	269.6	254.2
Selling, general and administrative expenses	74.3	73.1	145.4	144.6
Research and development expenses	5.9	5.4	11.2	11.2
Interest expense and related financing costs	17.7	0.4	30.2	0.8
Interest expense, net - related party	0.0	0.6	0.0	0.4
Other expense, net	2.5	0.6	3.8	0.2
Total costs and expenses	105.2	83.4	200.6	164.8
Income before income taxes	43.2	59.5	69.0	89.4
Provision for income taxes	(12.8)	(32.1)	(21.2)	(41.4)
Net income	30.4	27.4	47.8	48.0
Less: net income attributable to noncontrolling interests	(0.3)	(0.2)	(0.7)	(0.3)
Net income attributable to GCP shareholders	$ 30.1	$ 27.2	$ 47.1	$ 47.7
Basic earnings per share:
Net income attributable to GCP shareholders (in usd per share)	$ 0.43	$ 0.39	$ 0.67	$ 0.68
Weighted average number of basic shares	70.8	70.5	70.7	70.5
Diluted earnings per share:
Net income attributable to GCP shareholders (in usd per share)	$ 0.42	$ 0.39	$ 0.66	$ 0.68
Weighted average number of diluted shares	71.4	70.5	71.2	70.5
Repositioning
Restructuring expenses	$ 4.7	$ 0.0	$ 9.0	$ 0.0
Changes in Business Environment and Structure
Restructuring expenses	$ 0.1	$ 3.3	$ 1.0	$ 7.6