Income Taxes - Additional Information (Detail) In Millions, unless otherwise specified		3 Months Ended		9 Months Ended							9 Months Ended				9 Months Ended
	Sep. 30, 2014 USD ($)	Sep. 30, 2014 Spanish tax settlement [Member]	Sep. 30, 2013 Spanish tax settlement [Member]	Sep. 30, 2014 Spanish tax settlement [Member]	Sep. 30, 2013 Spanish tax settlement [Member]	Sep. 30, 2014 Spanish tax withholding [Member] USD ($)	Sep. 30, 2014 Other liabilities [Member] USD ($)	Sep. 30, 2014 2002-2003 [Member] USD ($)	Sep. 30, 2014 2002-2003 [Member] EUR (€)	Mar. 31, 2013 2002-2003 [Member] USD ($)	Sep. 30, 2014 2002-2003 [Member] Minimum [Member]	Sep. 30, 2014 1995-2001 [Member] USD ($)	Sep. 30, 2014 1995-2001 [Member] EUR (€)	Sep. 30, 2014 2002-2011 [Member] Spanish tax settlement [Member] USD ($)	Sep. 30, 2014 2007-2012 [Member] Minimum [Member]	Sep. 30, 2014 2007-2012 [Member] Maximum [Member]
Income Taxes [Line Items]
Unrecognized tax benefits that would impact effective tax rate							$ 24.2
Accrued interest and penalties							2.4
Income tax examination, years under examination											2002				2004	2013
Bank guarantees needed to be posted to proceed with tax appeals								2.4	1.9			10.1	7.9
Provision for uncertain tax positions	26.6					3.9						4.2	3.3	2.2
Assessment imposed												5.9	4.6
Effective tax rate		24.50%	26.10%	24.80%	27.40%
Additional tax provision recorded										$ 6.2