Goodwill and Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018



(In millions)	Cabinets			Plumbing			Doors & Security			Total Goodwill
Balance at December 31, 2016 (a)	$	924.3		$	670.2		$	239.3		$	1,833.8
2017 translation adjustments		2.0			3.3			1.2			6.5
Acquisition-related adjustments		—			71.7			—			71.7
Balance at December 31, 2017 (a)	$	926.3		$	745.2		$	240.5		$	1,912.0
2018 translation adjustments		(2.3	)		(5.9	)		(1.4	)		(9.6	)
Acquisition-related adjustments		—			4.4			173.5			177.9
Balance at December 31, 2018 (a)	$	924.0		$	743.7		$	412.6		$	2,080.3

(a)	Net of accumulated impairment losses of $399.5 million in the Doors & Security segment.

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

The gross carrying value and accumulated amortization by class of intangible assets as of December 31, 2018 and 2017 were as follows:



	As of December 31, 2018							As of December 31, 2017
(In millions)	Gross Carrying Amounts		Accumulated Amortization			Net Book Value		Gross Carrying Amounts		Accumulated Amortization			Net Book Value
Indefinite-lived tradenames	$	673.9	$	—		$	673.9	$	709.9	$	—		$	709.9
Amortizable intangible assets
Tradenames		19.8		(11.9	)		7.9		15.7		(9.9	)		5.8
Customer and contractual relationships		800.3		(260.2	)		540.1		663.8		(232.0	)		431.8
Patents/proprietary technology		73.5		(48.6	)		24.9		60.2		(45.3	)		14.9
Total		893.6		(320.7	)		572.9		739.7		(287.2	)		452.5
Total identifiable intangibles	$	1,567.5	$	(320.7	)	$	1,246.8	$	1,449.6	$	(287.2	)	$	1,162.4