Accounts Receivable Securitization Program - Additional Information (Detail) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Mar. 01, 2013 European Accounts Receivable Securitization Program [Member] Subsequent Event [Member] USD ($)	Mar. 01, 2013 European Accounts Receivable Securitization Program [Member] Subsequent Event [Member] EUR (€)	Feb. 28, 2013 European Accounts Receivable Securitization Program [Member] Subsequent Event [Member] USD ($)	Feb. 28, 2013 European Accounts Receivable Securitization Program [Member] Subsequent Event [Member] EUR (€)
Maximum purchase limit for receivable interests under accounts receivable securitization program	$ 125				$ 125	€ 95
Amount available for accounts receivable securitization program	112.0	92.0	52.0	40.0
Level of eligible assets available under accounts receivable securitization program	Less than $125 million
Amount outstanding under accounts receivable securitization program	$ 0	$ 0