Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of carrying amount of goodwill attributable to each operating segment and the changes in those balances during the period

The carrying amount of goodwill attributable to each operating segment and the changes in those balances during the year ended December 31, 2013, are as follows:

(In millions)	Grace Catalysts Technologies		Grace Materials Technologies		Grace Construction Products			Total Grace
Balance, December 31, 2012	$	39.5	$	40.5	$	116.7		$	196.7
Goodwill acquired during the year	253.2		—		9.7			262.9
Foreign currency translation/other adjustments	0.7		0.7		(3.5		)	(2.1		)
Balance, December 31, 2013	$	293.4	$	41.2	$	122.9		$	457.5

Summary of net book value of other intangible assets

Grace's net book value of other intangible assets at December 31, 2013 and 2012, was $315.5 million and $82.7 million, respectively, detailed as follows:

	As of December 31, 2013
(In millions)	Gross Carrying Amount		Accumulated Amortization
Technology	$	260.0	$	37.8
Customer lists	94.9		43.7
Trademarks	36.9		14.0
Other	22.4		3.2
Total	$	414.2	$	98.7

	As of December 31, 2012
(In millions)	Gross Carrying Amount		Accumulated Amortization
Customer lists	$	81.6	$	37.9
Technology	54.6		32.6
Trademarks	24.6		12.2
Other	8.8		4.2
Total	$	169.6	$	86.9

Summary of estimated amortization expenses

At December 31, 2013, estimated future annual amortization expenses for intangible assets are:

	(In millions)
2014	$	24.0
2015	22.4
2016	18.6
2017	17.3
2018	17.0
Thereafter	211.3
Total estimated amortization expenses	$	310.6