Commitments, Contingencies and Guarantees - Additional Information (Detail) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended		66 Months Ended				0 Months Ended
	Jun. 30, 2014 USD ($) T	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2010 BRL	Jun. 30, 2014 Financial Guarantee USD ($)	Jun. 30, 2014 Collateralized Debt Obligations USD ($)	Nov. 08, 2011 Oral Care Technology USD ($)	Jun. 30, 2014 Oral Care Technology USD ($)	Nov. 08, 2011 Oral Care Technology USD ($)	Nov. 08, 2011 Oral Care Technology Collateralized Debt Obligations USD ($)
Long-term Purchase Commitment [Line Items]
Annual purchase commitment, in tons	240,000
Commitments	$ 230.5
Outstanding letters of credit	4.7			4.7
Guarantees						20.0	3.9				5.5
Cash consideration								4.3
Potential license payment										7.0
Advance royalty payments									3.0
Imposition of fine		2.3			5.0
Remediation and related costs		4.8	3.0
Accrued expenses for remediation, fines and related costs	3.9			3.9
Increase (decrease) in accrued expenses for remediation, fines and related costs				(3.9)
Cost of landfill removal, minimum	30
Cost of landfill removal, maximum	50
Liabilities for uncertain income tax positions	5.9			5.9
Unrecognized tax benefits related to settlement	$ 1.5