Segment Information - Business Segment Information by Geographical Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,496.9	$ 2,227.8	$ 2,085.6
Plant, Property & Equipment, Net	426.2	373.1
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	896.2	869.3	779.6
Plant, Property & Equipment, Net	151.0	127.3
Italy [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Plant, Property & Equipment, Net	78.7	78.4
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	266.7	200.5	229.8
Plant, Property & Equipment, Net	51.8	50.6
South Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Plant, Property & Equipment, Net	40.5	19.1
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Plant, Property & Equipment, Net	31.3	20.5
Other Developed Markets [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	583.4	519.3	487.8
Plant, Property & Equipment, Net	22.0	21.1
Emerging Growth Markets [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	750.6	638.7	588.4
Plant, Property & Equipment, Net	$ 50.9	$ 56.1