Derivative Instruments and Hedging Activities - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended		3 Months Ended		9 Months Ended	3 Months Ended
	Jul. 31, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2011 5-year 1.75% notes [Member]	Dec. 31, 2011 10-year 3.125% notes [Member]	Sep. 30, 2012 Interest Rate Swap [Member] 4.55% notes due April 15, 2013 [Member]	Dec. 31, 2010 Interest Rate Swap [Member] 10-year 3.25% notes [Member]	Dec. 31, 2010 Interest Rate Swap [Member] 30-year 5.00% notes [Member]
Derivatives And Hedging Activities [Line Items]
Notional amounts outstanding foreign exchange contracts, undesignated hedges		$ 2,020,698	$ 2,209,780
Partially hedges forecasted export sales denominated in foreign currencies using forward and option contracts		1 year
Reclassification of terminated interest rate swaps to interest expense within the next 12 months		5,370
Notional amounts outstanding interest rate swaps designated as fair value hedges,4.55% notes		200,000	200,000
Financial instruments related to hedges, issuing amount				500,000	1,000,000	200,000	700,000	300,000
Financial instruments related to hedges, maturity date						Apr. 15, 2013
Outstanding interest rate swaps designated as cash flow hedges			900,000
Percentage of resin spend covered by hedge program	16.00%
Total notional amount of commodity hedges for fiscal year 2013		22,534
Gains or losses, related to hedge ineffectiveness			$ 0
Financial instruments related to hedges, maturity period				5 years	10 years		10 years	30 years
Financial instruments related to hedges, Interest rate				1.75%	3.125%		3.25%	5.00%