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Balance Sheet Details and Other Financial Information - Property, Plant and Equipment, Net (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Property, plant, and equipment, net:
Land	$ 174.8	$ 131.7
Building and building/leasehold improvements	230.5	199.5
Machinery and equipment	224.8	217.7
Operating lease assets	66.1	34.7
Computer and office equipment	44.8	41.3
Capitalized software	135.6	114.2
Construction-in-process	83.5	41.2
Gross property, plant, and equipment	960.1	780.3
Less: Accumulated depreciation	(347.0)	(321.9)
Total property, plant, and equipment, net	613.1	458.4
Accumulated depreciation associated with operating lease assets	$ (13.8)	$ (6.8)

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Carrying amount as of balance sheet date of long-lived, depreciable asset used in production process to produce goods and services.

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The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.

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