Consolidated Statements of Operations (unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net sales	$ 856.4	$ 771.3	$ 2,438.9	$ 2,284.0
Cost of goods sold	528.6	488.9	1,521.0	1,441.7
Gross profit	327.8	282.4	917.9	842.3
Selling, general and administrative expenses	147.7	129.7	428.5	405.1
Research and development expenses	20.5	15.0	61.3	48.5
Interest expense and related financing costs	14.7	10.7	37.0	32.1
Interest accretion on deferred payment obligations	43.7	0	65.5	0
Gain on termination of postretirement plans	(23.7)	0	(31.6)	0
Chapter 11 expenses, net of interest income	1.7	2.9	10.8	11.0
Equity in earnings of unconsolidated affiliate	(6.4)	(2.8)	(13.2)	(17.1)
Other expense, net	10.0	6.0	30.9	17.8
Total costs and expenses	208.2	161.5	589.2	497.4
Income before income taxes	119.6	120.9	328.7	344.9
Provision for income taxes	(44.6)	(43.6)	(66.7)	(117.4)
Net income	75.0	77.3	262.0	227.5
Less: Net income attributable to noncontrolling interests	(0.5)	(0.3)	(1.2)	(1.1)
Net income attributable to W. R. Grace & Co. shareholders	$ 74.5	$ 77.0	$ 260.8	$ 226.4
Basic earnings per share:
Net income attributable to W. R. Grace & Co. shareholders (in dollars per share)	$ 1.00	$ 1.00	$ 3.44	$ 2.97
Weighted average number of basic shares	74.7	76.7	75.9	76.2
Diluted earnings per share:
Net income attributable to W. R. Grace & Co. shareholders (in dollars per share)	$ 0.99	$ 0.99	$ 3.40	$ 2.92
Weighted average number of diluted shares	75.6	77.9	76.8	77.6