Goodwill and Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

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
Balance at December 31, 2013(a)	$	631.7		$	569.7		$	143.0	$	89.4		$	1,433.8
2014 translation adjustments		(2.7	)		—			—		(1.4	)		(4.1	)
Acquisition-related adjustments		1.1			25.9			—		11.1			38.1
Balance at December 31, 2014(a)	$	630.1		$	595.6		$	143.0	$	99.1		$	1,467.8
2015 translation adjustments		(4.9	)		—			—		(2.7	)		(7.6	)
Acquisition-related adjustments		312.5			(17.0	)		—		(0.4	)		295.1
Balance at December 31, 2015(a)	$	937.7		$	578.6		$	143.0	$	96.0		$	1,755.3

^(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 intangible assets as of December 31, 2015 and 2014 were as follows:

	As of December 31, 2015							As of December 31, 2014
(In millions)	Gross Carrying Amounts		Accumulated Amortization			Net Book Value		Gross Carrying Amounts		Accumulated Amortization			Net Book Value
Indefinite-lived intangible assets—tradenames	$	680.6	$	(42.0	)(a)	$	638.6	$	542.7	$	(42.0	)(a)	$	500.7
Amortizable intangible assets
Tradenames		19.1		(8.6	)		10.5		14.6		(6.4	)		8.2
Customer and contractual relationships		511.2		(177.4	)		333.8		294.2		(164.0	)		130.2
Patents/proprietary technology		54.7		(40.9	)		13.8		57.7		(40.3	)		17.4
Total		585.0		(226.9	)		358.1		366.5		(210.7	)		155.8
Total identifiable intangibles	$	1,265.6	$	(268.9	)	$	996.7	$	909.2	$	(252.7	)	$	656.5

^(a)  Accumulated amortization prior to the adoption of revised ASC requirements for Intangibles — Goodwill and Other Assets.

Gross Carrying Value and Accumulated Amortization by Class of Indefinite Lived Intangible Assets

The gross carrying value and accumulated amortization by class of intangible assets as of December 31, 2015 and 2014 were as follows:

	As of December 31, 2015							As of December 31, 2014
(In millions)	Gross Carrying Amounts		Accumulated Amortization			Net Book Value		Gross Carrying Amounts		Accumulated Amortization			Net Book Value
Indefinite-lived intangible assets—tradenames	$	680.6	$	(42.0	)(a)	$	638.6	$	542.7	$	(42.0	)(a)	$	500.7
Amortizable intangible assets
Tradenames		19.1		(8.6	)		10.5		14.6		(6.4	)		8.2
Customer and contractual relationships		511.2		(177.4	)		333.8		294.2		(164.0	)		130.2
Patents/proprietary technology		54.7		(40.9	)		13.8		57.7		(40.3	)		17.4
Total		585.0		(226.9	)		358.1		366.5		(210.7	)		155.8
Total identifiable intangibles	$	1,265.6	$	(268.9	)	$	996.7	$	909.2	$	(252.7	)	$	656.5

^(a)  Accumulated amortization prior to the adoption of revised ASC requirements for Intangibles — Goodwill and Other Assets.