Derivative Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount of interest-rate contracts	$ 3,923.7
Notional maturities for interest-rate contracts 2014	986.8
Notional maturities for interest-rate contracts 2015	1,399.6
Notional maturities for interest-rate contracts 2016	1,047.9
Notional maturities for interest-rate contracts 2017	219.6
Notional maturities for interest-rate contracts 2018	231.0
Notional maturities for interest-rate contracts thereafter	38.8
Maximum length of future cash flow hedges	6 years 10 months 24 days
Recognized gain (loss) on the ineffective portion		0.1
Accumulated net loss on derivative contracts included in accumulated other comprehensive loss expected to be reclassified to interest expense or cost of sales in the following 12 months	21.8
Foreign-exchange contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount of interest-rate contracts	$ 341.0
Foreign-exchange contracts maturity period	Within one year