Goodwill and Identifiable Intangible Assets - Remaining Estimated Future Amortization Expense (Detail) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014	[1]
Goodwill And Intangible Assets Disclosure [Abstract]
2015 (fourth quarter)	$ 22.3
2016	84.8
2017	77.3
2018	65.1
Thereafter	312.2
Intangible assets with definite life, Net	$ 561.7	$ 621.1

[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.