Goodwill and Identifiable Intangible Assets - Summary of Identifiable Intangible Assets with Definite and Indefinite Useful Lives (Detail) - USD ($) $ in Millions		Sep. 30, 2015	Dec. 31, 2014	[1]
Finite And Infinite Lived Intangible Assets [Line Items]
Intangible assets with indefinite life, Accumulated Amortization		$ (455.3)	$ (406.9)
Gross Carrying Value		2,069.4	2,080.4
Accumulated Impairment		(801.3)	(801.3)
Net		812.8	872.2	[2]
Intangible assets with definite life, Gross Carrying Value		1,188.1	1,199.1
Intangible assets with definite life, Accumulated Impairment		(171.1)	(171.1)
Intangible assets with definite life, Net		561.7	621.1
Customer relationships [Member]
Finite And Infinite Lived Intangible Assets [Line Items]
Intangible assets with indefinite life, Accumulated Amortization		(239.3)	(210.8)
Intangible assets with definite life, Gross Carrying Value		856.7	890.8
Intangible assets with definite life, Accumulated Impairment		(148.9)	(148.9)
Intangible assets with definite life, Net		468.5	531.1
Trademarks and tradenames [Member]
Finite And Infinite Lived Intangible Assets [Line Items]
Intangible assets with indefinite life, Accumulated Amortization		(0.4)	(0.2)
Intangible assets with definite life, Gross Carrying Value		1.8	1.3
Intangible assets with definite life, Net		1.4	1.1
Technology
Finite And Infinite Lived Intangible Assets [Line Items]
Intangible assets with indefinite life, Accumulated Amortization		(185.3)	(167.0)
Intangible assets with definite life, Gross Carrying Value		286.8	266.4
Intangible assets with definite life, Accumulated Impairment		(22.2)	(22.2)
Intangible assets with definite life, Net		79.3	77.2
Customer Contracts
Finite And Infinite Lived Intangible Assets [Line Items]
Intangible assets with indefinite life, Accumulated Amortization		(30.3)	(28.9)
Intangible assets with definite life, Gross Carrying Value		42.8	40.6
Intangible assets with definite life, Net		12.5	11.7
Trademarks and tradenames with indefinite lives [Member]
Finite And Infinite Lived Intangible Assets [Line Items]
Intangible assets with indefinite life, Gross Carrying Value	[3]	881.3	881.3
Intangible assets with indefinite life, Accumulated Impairment	[3]	(630.2)	(630.2)
Intangible assets with indefinite life, Net	[3]	$ 251.1	$ 251.1

[1] Excludes North American foam trays and absorbent pads business intangible assets. Refer to Note 3, “Divestitures and Acquisitions” of the notes to condensed consolidated financial statements for further details.

[2] During the second quarter of 2015, we completed the sale of our North American foam trays and absorbent pads business. During the first quarter of 2015, the assets and liabilities met the criteria of held for sale classification. Accordingly, we reclassified $42 million of assets and $6 million of liabilities as held for sale as of December 31, 2014. Refer to Note 3, “Divestitures and Acquisitions” of the notes to condensed consolidated financial statements for further details.

[3] The intangible assets include $251 million of trademarks and trade names that we have determined to have indefinite useful lives, primarily acquired in connection with the acquisition of Diversey.