Goodwill and Identifiable Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Change in Net Carrying Amount of Goodwill by Segment

The change in the net carrying amount of goodwill by segment was as follows:


(In millions)	Cabinets		Plumbing		Doors		Security		Total Goodwill
Goodwill at December 31, 2016 ^(a)	$	924.3	$	670.2	$	143.0	$	96.3	$	1,833.8
Year-to-date translation adjustments		3.3		4.6		—		1.5		9.4
Acquisition-related adjustments		—		9.6		—		—		9.6

Goodwill at September 30, 2017 ^(a)	$	927.6	$	684.4	$	143.0	$	97.8	$	1,852.8

^(a)

Net of accumulated impairment losses of $399.5 million in the Doors segment.

Gross Carrying Value and Accumulated Amortization by Class of Identifiable Intangible Assets

The gross carrying value and accumulated amortization by class of identifiable intangible assets as of September 30, 2017 and December 31, 2016 were as follows:


(In millions)	As of September 30, 2017							As of December 31, 2016
	Gross Carrying Amounts		Accumulated Amortization			Net Book Value		Gross Carrying Amounts		Accumulated Amortization			Net Book Value
Indefinite-lived tradenames	$	682.6	$	—		$	682.6	$	671.8	$	—		$	671.8

Amortizable intangible assets
Tradenames		18.6		(9.4	)		9.2		15.8		(7.3	)		8.5
Customer and contractual relationships		627.1		(226.0	)		401.1		611.9		(203.1	)		408.8
Patents/proprietary technology		57.2		(44.7	)		12.5		61.9		(44.0	)		17.9

Total		702.9		(280.1	)		422.8		689.6		(254.4	)		435.2

Total identifiable intangibles	$	1,385.5	$	(280.1	)	$	1,105.4	$	1,361.4	$	(254.4	)	$	1,107.0