Consolidated Statements of Operations (unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net sales	$ 744.5	$ 709.9
Cost of goods sold	475.3	450.9
Gross profit	269.2	259.0
Selling, general and administrative expenses	136.8	133.3
Research and development expenses	20.5	16.9
Interest expense and related financing costs	11.2	10.5
Interest accretion on deferred payment obligations	8.2	0
Chapter 11 expenses, net of interest income	6.1	4.8
Equity in earnings of unconsolidated affiliate	(3.7)	(5.1)
Other expense, net	10.0	7.9
Total costs and expenses	189.1	168.3
Income before income taxes	80.1	90.7
Provision for income taxes	(29.8)	(31.3)
Net income	50.3	59.4
Less: Net income attributable to noncontrolling interests	(0.2)	(0.3)
Net income attributable to W. R. Grace & Co. shareholders	$ 50.1	$ 59.1
Basic earnings per share:
Net income attributable to W. R. Grace & Co. shareholders (in dollars per share)	$ 0.65	$ 0.78
Weighted average number of basic shares	77.0	75.7
Diluted earnings per share:
Net income attributable to W. R. Grace & Co. shareholders (in dollars per share)	$ 0.64	$ 0.77
Weighted average number of diluted shares	78.1	77.2