Commitments and Contingencies - Additional Information (Detail) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 USD ($) Y Property	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2012 Pledged assets [Member] USD ($)	Dec. 31, 2012 Bank guarantees and standby letters of credit [Member] USD ($)	Dec. 31, 2012 Bank guarantees [Member] USD ($)	Dec. 31, 2012 Bank guarantees [Member] EUR (€)
Commitments And Contingencies [Line Items]
Minimum rental payments under non-cancelable operating leases, 2013	$ 28.8
Minimum rental payments under non-cancelable operating leases, 2014	25.7
Minimum rental payments under non-cancelable operating leases, 2015	23.4
Minimum rental payments under non-cancelable operating leases, from 2016 and thereafter through 2030	23.4
Aggregate lease obligations	191.1
Rental expense	31.5	30.8	29.0
Bank guarantees and letters of credit outstanding					92.4
The amount of bank guarantees related to government requirements on income tax disputes						40.9	30.9
Bank guarantees related to appeals on income tax and indirect tax cases	26.2					12.0
The amount of pledged assets, principally PP&E to cover income tax and indirect tax assessments				17.7
Available lines of credit	70.3
Duration as potentially responsible party, years	20
Number of facilities under potentially responsible party investigation	9
Estimated maximum future costs of environmental liabilities for identified sites	5
Bank guarantees and pledged assets to pursue defenses related to other contingencies	44
Estimate range of possible loss from other contingencies, minimum	0
Estimate range of possible loss from other contingencies, maximum	$ 12