Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended													36 Months Ended						3 Months Ended	12 Months Ended
	Dec. 31, 2012 Customer	Dec. 31, 2011 Customer	Dec. 31, 2010 Customer	Dec. 31, 2012 Building Minimum	Dec. 31, 2012 Building Maximum	Dec. 31, 2012 Leasehold Improvements Maximum	Dec. 31, 2012 Machinery and Equipment Minimum	Dec. 31, 2012 Machinery and Equipment Maximum	Dec. 31, 2012 Computer Software, Intangible Asset	Dec. 31, 2011 Computer Software, Intangible Asset	Dec. 31, 2010 Computer Software, Intangible Asset	Dec. 31, 2012 Computer Software, Intangible Asset Maximum	Dec. 31, 2010 Devaluation Of Venezuelan Bolivar	Dec. 31, 2012 Devaluation Of Venezuelan Bolivar	Dec. 31, 2011 Devaluation Of Venezuelan Bolivar	Dec. 31, 2009 Devaluation Of Venezuelan Bolivar	Jan. 08, 2010 Devaluation Of Venezuelan Bolivar	Jan. 07, 2010 Devaluation Of Venezuelan Bolivar Before Rate Change	Jan. 08, 2010 Devaluation Of Venezuelan Bolivar After Rate Change	Mar. 31, 2012 Reversal Of Over Accrual For Rebates	Dec. 31, 2012 Reversal Of Over Accrual For Rebates
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of customers	60,000
Maximum three year cumulative inflation using the blended Consumer Price Index and National Consumer Price Index														100.00%	100.00%	100.00%
Foreign currency exchange rate																		2.15	4.3
Percentage of foreign currency devaluation																	50.00%
Gain (loss) on foreign currency transaction and translation, pre-tax													$ (8.9)
Gain (loss) on foreign currency transaction and translation, after tax													(8.1)
Gain (loss) on foreign currency transaction and translation, portion attributable to noncontrolling interest													(3.6)
Immaterial error correction, impact on accounts receivable and net sales																				19.8	22.7
Number of single customers comprising more than 10% of consolidated net sales	0	0	0
Percentage of net sales per customer, maximum	10.00%	10.00%	10.00%
Percentage of inventory valued at LIFO	64.00%	65.70%
Estimated useful life				15 years	40 years	7 years	3 years	15 years
Annual goodwill impairment testing date	--10-31
Estimated useful life of computer software												5 years
Amortization expense, primarily related to internally-developed software	$ 87.6	$ 112.2	$ 99.3						$ 26.6	$ 21.8	$ 15.3