Goodwill and Identifiable Intangible Assets (Tables)

6 Months Ended

Jun. 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		0.7		1.0			—		0.3		2.0
Acquisition-related adjustments		—		(3.7	)		—		—		(3.7	)

Goodwill at June 30, 2017 ^(a)	$	925.0	$	667.5		$	143.0	$	96.6	$	1,832.1

^(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 June 30, 2017 and December 31, 2016 were as follows:


(In millions)	As of June 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	$	673.4	$	—		$	673.4	$	671.8	$	—		$	671.8

Amortizable intangible assets
Tradenames		17.9		(8.4	)		9.5		15.8		(7.3	)		8.5
Customer and contractual relationships		614.6		(217.0	)		397.6		611.9		(203.1	)		408.8
Patents/proprietary technology		56.3		(43.6	)		12.7		61.9		(44.0	)		17.9

Total		688.8		(269.0	)		419.8		689.6		(254.4	)		435.2

Total identifiable intangibles	$	1,362.2	$	(269.0	)	$	1,093.2	$	1,361.4	$	(254.4	)	$	1,107.0