Goodwill and Identifiable Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

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, 2018 (a)	$	924.0	$	743.7	$	412.6	$	2,080.3
Year-to-date translation adjustments		0.8		2.3		0.3		3.4
Acquisition-related adjustments		—		—		0.3		0.3
Goodwill at March 31, 2019 (a)	$	924.8	$	746.0	$	413.2	$	2,084.0

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 March 31, 2019 and December 31, 2018 were as follows:

	As of March 31, 2019							As of December 31, 2018
(In millions)	Gross Carrying Amounts		Accumulated Amortization			Net Book Value		Gross Carrying Amounts		Accumulated Amortization			Net Book Value
Indefinite-lived tradenames	$	675.8	$	—		$	675.8	$	673.9	$	—		$	673.9
Amortizable intangible assets
Tradenames		20.1		(12.2	)		7.9		19.8		(11.9	)		7.9
Customer and contractual relationships		802.5		(270.5	)		532.0		800.3		(260.2	)		540.1
Patents/proprietary technology		73.5		(49.5	)		24.0		73.5		(48.6	)		24.9
Total		896.1		(332.2	)		563.9		893.6		(320.7	)		572.9
Total identifiable intangibles	$	1,571.9	$	(332.2	)	$	1,239.7	$	1,567.5	$	(320.7	)	$	1,246.8