Derivative Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional maturities for interest-rate contracts 2014	$ 238.5		$ 238.5
Notional maturities for interest-rate contracts 2015	1,271.4		1,271.4
Notional maturities for interest-rate contracts 2016	1,230.7		1,230.7
Notional maturities for interest-rate contracts 2017	543.3		543.3
Notional maturities for interest-rate contracts 2018	330.2		330.2
Notional maturities for interest-rate contracts thereafter	110.2		110.2
Maximum length of future cash flow hedges			6 years 4 months 24 days
Recognized gain (loss) on the ineffective portion	0.3	0.3	0	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			21.1
Interest Rate Contract
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount of outstanding contracts	3,724.3		3,724.3
Foreign-exchange contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount of outstanding contracts	$ 351.4		$ 351.4
Foreign-exchange contracts maturity period			Within one year