Commitments, Contingencies and Guarantees - Additional Information (Details) BRL in Millions, $ in Millions		9 Months Ended	12 Months Ended		81 Months Ended
	Nov. 08, 2011 USD ($)	Sep. 30, 2015 USD ($) T	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)	Sep. 30, 2015 USD ($)	Jan. 02, 2015 USD ($)	Dec. 31, 2010 BRL
Commitments And Contingencies Disclosure [Line Items]
Annual purchase commitment, in tons | T		240,000
Commitments		$ 271.6
Outstanding letters of credit		4.2			$ 4.2
Imposition of fine			$ 1.3				BRL 5
Remediation and related costs			$ 4.8	$ 3.0
Accrued expenses for remediation, fines and related costs		1.9			1.9
Increase (decrease) in accrued expenses for remediation, fines and related costs					5.9
Cost of landfill removal, minimum		30.0
Cost of landfill removal, maximum		50.0
Oral Care Technology
Commitments And Contingencies Disclosure [Line Items]
Cash consideration	$ 4.3
Potential advance royalty payments	5.5
Advance royalty payments		5.5			5.5
Potential license payment	$ 7.0
VI-COR
Commitments And Contingencies Disclosure [Line Items]
Payment after one year if certain operating performance is achieved		5.0			5.0	$ 5.0
Business acquisition - contingent liabilities, current		4.6			4.6
Financial Guarantee
Commitments And Contingencies Disclosure [Line Items]
Guarantees		17.7			17.7
Assets Subject to Guarantees
Commitments And Contingencies Disclosure [Line Items]
Guarantees		$ 2.3			$ 2.3