Accounts Receivable Securitization Programs - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2014 U.S. Accounts Receivable Securitization Program [Member] USD ($)	Jun. 30, 2014 U.S. Accounts Receivable Securitization Program [Member] USD ($) Bank	Jun. 30, 2014 European Accounts Receivable Securitization Program [Member] USD ($) Bank	Jun. 30, 2014 European Accounts Receivable Securitization Program [Member] EUR (€) Bank	Jun. 30, 2014 U.S. and European Accounts Receivable Securitization Programs [Member] USD ($)
Servicing Assets at Fair Value [Line Items]
Number of banks involved in sale of fractional ownership interest of accounts receivable						2	2	2
Maximum purchase limit for receivable interests under accounts receivable securitization program					$ 125	$ 125	$ 129	€ 95
Level of eligible assets available under accounts receivable securitization program					Lower than $125 million	Less than $125 million
Amount available for accounts receivable securitization program					92	92	129	95
Accounts receivable expiration date						2014-09	2015-02	2015-02
Amount utilized under accounts receivable securitization program	217		217		88	88	129	95
Interest expense	$ 73.9	$ 89.7	$ 152.4	$ 180.5					$ 1.0
Weighted average interest rate of borrowings	1.22%		1.22%