Noncontrolling Interests in Consolidated Affiliates (Tables)

12 Months Ended

Dec. 31, 2013

Noncontrolling Interest [Abstract]

Schedule of condensed statements of operations for consolidated affiliates for which there is a noncontrolling interest

The following tables present summary financial information for Grace's consolidated affiliates for which there is a noncontrolling interest:

Statements of Operations (In millions)	Year Ended December 31,
	2013		2012		2011
Sales	$	101.5	$	108.8	$	86.3
Income (loss) before taxes	2.7		0.8		(0.1		)
Net income (loss)	3.4		1.1		(0.9		)
Noncontrolling interests in net income (loss)	1.6		1.0		(0.6		)

Schedule of condensed balance sheets for consolidated affiliates for which there is a noncontrolling interest

Balance Sheets (In millions)	December 31,
	2013		2012		2011
Cash	$	5.1	$	5.7	$	6.7
Other current assets	33.4		41.6		34.7
Total assets	71.1		73.8		53.0
Total liabilities	48.9		46.1		30.1
Shareholders' equity	22.2		27.7		22.9
Noncontrolling interests in shareholders' equity	10.6		9.9		8.1