Goodwill and Identifiable Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2016

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, 2015 ^(a)	$	937.7		$	578.6		$	143.0	$	96.0	$	1,755.3
Year-to-date translation adjustments		1.8			(1.5	)		—		0.7		1.0
Acquisition-related adjustments		(14.2	)		92.9			—		—		78.7

Goodwill at September 30, 2016 ^(a)	$	925.3		$	670.0		$	143.0	$	96.7	$	1,835.0

^(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, 2016 and December 31, 2015 were as follows:


(In millions)	As of September 30, 2016							As of December 31, 2015
	Gross Carrying Amounts		Accumulated Amortization			Net Book Value		Gross Carrying Amounts		Accumulated Amortization			Net Book Value


Indefinite-lived tradenames	$	679.1	$	—		$	679.1	$	638.6	$	—		$	638.6

Amortizable intangible assets
Tradenames		16.4		(7.6	)		8.8		19.1		(8.6	)		10.5
Customer and contractual relationships		605.9		(197.2	)		408.7		511.2		(177.4	)		333.8
Patents/proprietary technology		62.9		(45.6	)		17.3		54.7		(40.9	)		13.8

Total		685.2		(250.4	)		434.8		585.0		(226.9	)		358.1

Total identifiable intangibles	$	1,364.3	$	(250.4	)	$	1,113.9	$	1,223.6	$	(226.9	)	$	996.7