Property and Equipment (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 714.7	$ 558.0
Less accumulated depreciation	(289.0)	(255.1)
Property and equipment	425.7	302.9
Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	1 year
Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	50 years
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	123.0	112.8
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	1 year	1 year
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	50 years	50 years
Machinery
Property, Plant and Equipment [Line Items]
Property and equipment, gross	197.8	134.2
Machinery | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	1 year	1 year
Machinery | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	20 years	20 years
Tooling
Property, Plant and Equipment [Line Items]
Property and equipment, gross	84.3	70.0
Tooling | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	1 year	1 year
Tooling | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	15 years	15 years
Computer Equipment and Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	276.9	216.3
Computer Equipment and Software | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	1 year	1 year
Computer Equipment and Software | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	10 years	10 years
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 32.7	$ 24.7
Furniture and equipment | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	1 year	1 year
Furniture and equipment | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful lives	15 years	15 years