Consolidated Balance Sheets (unaudited) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 76.4	$ 90.6
Restricted cash and cash equivalents	10.0	10.0
Trade accounts receivable, less allowance of $2.8 (2016—$2.2)	244.5	273.9
Inventories	234.1	228.0
Other current assets	63.8	52.3
Total Current Assets	628.8	654.8
Properties and equipment, net of accumulated depreciation and amortization of $1,358.8 (2016—$1,327.5)	740.2	729.6
Goodwill	394.9	394.2
Technology and other intangible assets, net	265.6	269.1
Deferred income taxes	703.1	709.4
Investment in unconsolidated affiliate	124.9	117.6
Other assets	33.3	37.1
Total Assets	2,890.8	2,911.8
Current Liabilities
Debt payable within one year	44.7	76.5
Accounts payable	199.7	195.4
Other current liabilities	189.6	208.9
Total Current Liabilities	434.0	480.8
Debt payable after one year	1,511.0	1,507.6
Deferred income taxes	2.9	2.8
Underfunded and unfunded defined benefit pension plans	430.5	424.3
Other liabilities	119.6	126.7
Total Liabilities	2,495.1	2,539.4
Equity
Common stock issued, par value $0.01; 300,000,000 shares authorized; outstanding: 68,342,140 (2016—68,309,431)	0.7	0.7
Paid-in capital	478.7	487.3
Retained earnings	647.8	619.3
Treasury stock, at cost: shares: 9,114,487 (2016—9,147,196)	(800.5)	(804.9)
Accumulated other comprehensive income (loss)	65.4	66.4
Total W. R. Grace & Co. Shareholders' Equity	392.1	368.8
Noncontrolling interests	3.6	3.6
Total Equity	395.7	372.4
Total Liabilities and Equity	$ 2,890.8	$ 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.