Derivatives - Additional Information (Detail) (Derivatives not designated as hedging instruments, USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Derivative [Line Items]
Amount of collateral recorded in Other current assets	$ 0	$ 1.7
Foreign currency contracts | Other current liabilities
Derivative [Line Items]
Derivative Liability, Fair Value		(0.3)
Foreign currency contracts | Other current assets
Derivative [Line Items]
Derivative Assets, Fair Value	0.2
Commodity contracts | Other current liabilities
Derivative [Line Items]
Derivative Liability, Fair Value	(0.7)	(1.5)
Commodity contracts | Other current assets
Derivative [Line Items]
Derivative Assets, Fair Value		0.1
Commodity contracts | Other non-current assets
Derivative [Line Items]
Derivative Assets, Fair Value	0.2	0
Commodity contracts | Other non-current liabilities
Derivative [Line Items]
Derivative Liability, Fair Value		(0.2)
Interest rate contracts | Other current liabilities
Derivative [Line Items]
Derivative Liability, Fair Value	(2.8)	(18.5)
Interest rate contracts | Other non-current assets
Derivative [Line Items]
Derivative Assets, Fair Value	0	1.5
Interest rate contracts | Other non-current liabilities
Derivative [Line Items]
Derivative Liability, Fair Value	(8.7)	(1.0)
Interest Rate Swap
Derivative [Line Items]
Letters of Credit	$ 2.0