Consolidated Balance Sheets (unaudited) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Current Assets
Cash and cash equivalents	$ 159.5	$ 200.5
Restricted cash and cash equivalents	0.4	0.5
Trade accounts receivable, less allowance of $11.7 (2018—$11.6)	310.0	288.5
Inventories	318.2	281.1
Other current assets	219.6	86.7
Total Current Assets	1,007.7	857.3
Properties and equipment, net of accumulated depreciation and amortization of $1,495.1 (2018—$1,482.8)	1,076.7	1,011.7
Goodwill	557.9	540.4
Technology and other intangible assets, net	353.9	356.5
Deferred income taxes	520.1	529.4
Investment in unconsolidated affiliate	165.7	156.1
Other assets	44.5	113.9
Total Assets	3,726.5	3,565.3
Current Liabilities
Debt payable within one year	23.0	22.3
Accounts payable	270.3	248.6
Other current liabilities	386.2	243.5
Total Current Liabilities	679.5	514.4
Debt payable after one year	1,960.0	1,961.0
Defined Benefit Pension Plan Liabilities Noncurrent Unfunded	365.8	366.0
Defined Benefit Pension Plan Liabilities Noncurrent Underfunded	68.1	67.1
Other liabilities	265.8	319.8
Total Liabilities	3,339.2	3,228.3
Commitments and Contingencies—Note 8
Equity
Common stock issued, par value $0.01; 300,000,000 shares authorized; outstanding: 66,915,399 (2018—66,792,968)	0.7	0.7
Paid-in capital	469.3	481.1
Retained earnings	741.3	676.7
Treasury stock, at cost: shares: 10,541,234 (2018—10,663,659)	(893.7)	(895.5)
Accumulated other comprehensive income (loss)	63.5	67.9
Total W. R. Grace & Co. Shareholders’ Equity	381.1	330.9
Noncontrolling interests	6.2	6.1
Total Equity	387.3	337.0
Total Liabilities and Equity	$ 3,726.5	$ 3,565.3