Segment Data - Disclosure on Geographic Areas, Long-Lived Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Sales Information [Line Items]
Property, plant and equipment, net	$ 2,062.6	$ 1,285.3	$ 1,229.5
US [Member]
Sales Information [Line Items]
Property, plant and equipment, net	1,188.6	794.4	737.6
Switzerland [Member]
Sales Information [Line Items]
Property, plant and equipment, net	200.9	198.7	211.5
Other Countries [Member]
Sales Information [Line Items]
Property, plant and equipment, net	$ 673.1	$ 292.2	$ 280.4