v3.8.0.1

Financial Statement Details Financial Statement Details - Property and Equipment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 200.4	$ 156.6
Accumulated depreciation	(54.8)	(47.2)
Property and equipment, net	145.6	109.4
Depreciation	16.1	14.4	$ 10.2
Building (1)
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	6.0	6.0
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	5.7	5.8
Computer equipment
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	25.6	22.7
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	33.8	31.4
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	41.7	25.6
Construction in progress (2)
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	87.6	65.1
Property, Plant and Equipment, Disposals	9.2
Leased Buildings -232 South Dobson Road [Member]
Property, Plant and Equipment [Line Items]
Construction in Progress, Gross	$ 33.6	$ 24.8

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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- Definition

Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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+ References

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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