Consolidated Balance Sheets (unaudited) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 175.7	$ 90.6
Restricted cash and cash equivalents	10.8	10.0
Trade accounts receivable, less allowance of $12.6 (2016—$2.2)	253.1	273.9
Inventories	239.5	228.0
Other current assets	36.3	52.3
Total Current Assets	715.4	654.8
Properties and equipment, net of accumulated depreciation and amortization of $1,438.2 (2016—$1,327.5)	762.8	729.6
Goodwill	401.7	394.2
Technology and other intangible assets, net	259.2	269.1
Deferred income taxes	694.1	709.4
Investment in unconsolidated affiliate	118.0	117.6
Other assets	34.7	37.1
Total Assets	2,985.9	2,911.8
Current Liabilities
Debt payable within one year	46.5	76.5
Accounts payable	195.2	195.4
Other current liabilities	207.9	208.9
Total Current Liabilities	449.6	480.8
Debt payable after one year	1,521.9	1,507.6
Underfunded and unfunded defined benefit pension plans	452.1	424.3
Other liabilities	165.3	126.7
Total Liabilities	2,588.9	2,539.4
Equity
Common stock issued, par value $0.01; 300,000,000 shares authorized; outstanding: 67,758,485 (2016—68,309,431)	0.7	0.7
Paid-in capital	475.4	487.3
Retained earnings	710.3	619.3
Treasury stock, at cost: shares: 9,698,142 (2016—9,147,196)	(837.2)	(804.9)
Accumulated other comprehensive income (loss)	43.7	66.4
Total W. R. Grace & Co. Shareholders' Equity	392.9	368.8
Noncontrolling interests	4.1	3.6
Total Equity	397.0	372.4
Total Liabilities and Equity	$ 2,985.9	$ 2,911.8

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.