Consolidated Balance Sheets (unaudited) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current Assets
Cash and cash equivalents	$ 194.3	$ 231.3
Restricted cash and cash equivalents	9.7	9.4
Trade accounts receivable, less allowance of $1.9 (2015—$1.4)	216.5	254.5
Inventories	233.8	198.8
Other current assets	55.8	44.1
Assets of discontinued operations	0.0	446.4
Total Current Assets	710.1	1,184.5
Properties and equipment, net of accumulated depreciation and amortization of $1,313.7 (2015—$1,287.4)	729.0	624.9
Goodwill	403.7	336.5
Technology and other intangible assets, net	267.6	227.5
Deferred income taxes	736.4	714.3
Investment in unconsolidated affiliate	99.0	103.2
Other assets	35.8	33.9
Assets of discontinued operations	0.0	420.9
Total Assets	2,981.6	3,645.7
Current Liabilities
Debt payable within one year	80.2	58.8
Accounts payable	163.8	157.8
Other current liabilities	211.1	234.4
Liabilities of discontinued operations	0.0	256.4
Total Current Liabilities	455.1	707.4
Debt payable after one year	1,508.8	2,114.0
Deferred income taxes	2.6	1.2
Unrecognized tax benefits	9.5	9.8
Underfunded and unfunded defined benefit pension plans	378.1	377.5
Other liabilities	138.5	115.9
Liabilities of discontinued operations	0.0	107.4
Total Liabilities	2,492.6	3,433.2
Equity
Common stock issued, par value $0.01; 300,000,000 shares authorized; outstanding: 70,417,806 (2015—70,533,515)	0.7	0.7
Paid-in capital	492.7	496.0
Retained earnings	595.7	436.3
Treasury stock, at cost: shares: 7,038,819 (2015—6,923,110)	(663.7)	(658.4)
Accumulated other comprehensive income (loss)	60.4	(66.8)
Total W. R. Grace & Co. Shareholders' Equity	485.8	207.8
Noncontrolling interests	3.2	4.7
Total Equity	489.0	212.5
Total Liabilities and Equity	$ 2,981.6	$ 3,645.7